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  1. 1
    Classification bulletin of the United States Patent Office, Apr. 1 and June 30, 1941, Number 80.
    Published 1941
    Subjects: “...Fertilizers. http://id.loc.gov/authorities/subjects/sh85047919...”
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  2. 2
    Classification bulletin of the United States Patent Office, July 1 and Dec. 31, 1939, Number 77.
    Published 1939
    Subjects: “...Aeronautics. http://id.loc.gov/authorities/subjects/sh85001319...”
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  3. 3
    Classification bulletin of the United States Patent Office, July 1 and Dec. 31, 1941, Number 81.
    Published 1941
    Subjects: “...Ammunition. http://id.loc.gov/authorities/subjects/sh85004555...”
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  4. 4
    Classification bulletin of the United States Patent Office, July 1, 1940 and Mar. 31 1941, Number 79.
    Published 1940
    Subjects: “...Aeronautics. http://id.loc.gov/authorities/subjects/sh85001319...”
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  5. 5
    Classification bulletin of U.S. Patent Office from July 1, 1906 to Dec. 31, 1906, containing classification of subjects of invention revised by Classification Division of U.S. Patent Office.
    Published 1907
    Subjects: “...Honey. http://id.loc.gov/authorities/names/no2003064061...”
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  6. 6
    Classification bulletin of U.S. Patent Office for months of Oct., Nov., and Dec. 1903, containing classification of subjects of invention revised by Classification Division of U.S. Patent Office.
    Published 1903
    Subjects: “...Dyes and dyeing. http://id.loc.gov/authorities/subjects/sh85040281...”
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  7. 7
    Official gazette of U.S. Patent Office : Supplement to Vol. 97, containing classification of subjects of invention, revised and published between July 1 and Dec. 31, 1901.
    Published 1901
    Subjects: “...Advertising. http://id.loc.gov/authorities/subjects/sh85001086...”
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  8. 8
    Classification Bulletin of the United States Patent Office, Jan. 1-June 30, 1938, Number 74.
    Published 1938
    Subjects: “...Chemistry. http://id.loc.gov/authorities/subjects/sh85022986...”
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  9. 9
    Classification bulletin of the United States Patent Office.
    Published 1943
    Subjects: “...Aeronautics. http://id.loc.gov/authorities/subjects/sh85001319...”
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  10. 10
    Index of Trade-Marks Issued from the United States Patent Office, 1942.
    Published 1943
    Subjects: “...Trademarks. http://id.loc.gov/authorities/subjects/sh85136742...”
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  11. 11
    Classification bulletin of U.S. Patent Office for months of Jan.-Apr. 1903, containing classification of subjects of invention revised by Classification Division of U.S. Patent Office.
    Published 1903
    Subjects: “...Machinery. http://id.loc.gov/authorities/subjects/sh85079362...”
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  12. 12
    Classification bulletin of U.S. Patent Office for months of July-Sept., 1903, containing classification of subjects of invention revised by Classification Division of U.S. Patent Office.
    Published 1903
    Subjects: “...Baked products. http://id.loc.gov/authorities/subjects/sh85011068...”
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  13. 13
    Classification bulletin of U.S. Patent Office for months of Jan. and Feb. 1902, containing classification of subjects of invention revised by Classification Division of U.S. Patent Office.
    Published 1902
    Subjects: “...Ammunition. http://id.loc.gov/authorities/subjects/sh85004555...”
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  14. 14
    Classification bulletin of U.S. Patent Office for months of Mar. and Apr. 1902, containing classification of subjects of invention revised by Classification Division of U.S. Patent Office.
    Published 1902
    Subjects: “...Hardware. http://id.loc.gov/authorities/subjects/sh85058890...”
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  15. 15
    Classification bulletin of U.S. Patent Office for months of May and June 1902, containing classification of subjects of invention revised by Classification Division of U.S. Patent Office.
    Published 1902
    Subjects: “...Firearms. http://id.loc.gov/authorities/subjects/sh85048533...”
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  16. 16
    Index of patents relating to electricity, embracing patents issued by U.S. Patent Office from July 1, 1886 to June 30, 1887 : Appendix No. VI.
    Published 1888
    Subjects: “...Magnetism. http://id.loc.gov/authorities/subjects/sh85079759...”
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  17. 17
    Patent laws.
    Published 1861
    Subjects: “...Claims. http://id.loc.gov/authorities/subjects/sh85026530...”
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  18. 18
    Patent laws, and laws relating to registration of trade-marks and labels, revised Dec. 1, 1889.
    Published 1889
    Subjects: “...Claims. http://id.loc.gov/authorities/subjects/sh85026530...”
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  19. 19
    Patent laws, and laws relating to registration of trade-marks and labels, with annotations, revised Feb. 9, 1897, with appendix of amendatory Acts of Feb. 19 and Mar. 3, 1897.
    Published 1897
    Subjects: “...Claims. http://id.loc.gov/authorities/subjects/sh85026530...”
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  20. 20
    Patent laws, and laws relating to registration of trade-marks and labels, with annotations, revised Feb. 9, 1897.
    Published 1898
    Subjects: “...Claims. http://id.loc.gov/authorities/subjects/sh85026530...”
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