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Creation Date 

1. Before 1975  (2)
2. 1975 To 1977  (4)
3. 1978 To 1981  (2)
4. 1982 To 1986  (8)
5. After 1986  (1)
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Subject 

1. Textiles  (10)
2. Production Of Cellulose  (10)
3. Paper-Making  (10)
4. Handling Thin Or Filamentary Material  (5)
5. Conveying  (5)
6. Storing  (5)
7. Packing  (5)
8. Physical Or Chemical Processes Or Apparatus In General  (5)
9. Paper Not Otherwise Provided For  (4)
10. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (4)
11. Impregnating Or Coating Of Paper  (4)
12. Pulp Compositions  (4)
13. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (4)
14. Packaging Elements  (4)
15. Accessories, Closures, Or Fittings Therefor  (4)
16. Packages  (4)
17. Layered Products  (4)
18. Bandages, Dressings Or Absorbent Pads  (3)
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