- Publication Title:
- Classification of patents.
- Display Title:
- Classification of patents.
- Appendix Title:
- Semiannual List of Periodicals, Releases, and Statistical Statements: February 1953
- Corporate Agency Authors:
- Patent Office and Commerce Dept.
- Sort Author:
- Patent Office
- Corporate/Agency Author:
- Patent Office
- Publication month:
- 11
- SuDoc number:
- C 21.5/a 1:660/1-665/5
- Notes:
- † Distribution Made by Issuing Office.
- Availability:
- † Distribution Made by Issuing Office.
- Monthly Catalog date:
- February 1953
- Monthly Catalog issue number:
- 697
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1953-02-01T00:00:00Z
- Monthly Catalog entry number:
- 3462
- LC Number:
- L. C. card 8-16238
- Record start page number:
- 108