- Publication Title:
- Patents. Classification of patents issued Apr. 4-25, 1939.
- Display Title:
- Patents. Classification of patents issued Apr. 4-25, 1939.
- Corporate Agency Authors:
- Patent Office and Commerce Department
- Sort Author:
- Patent Office
- Date:
- [1939.]
- Publish Date ISO Format:
- 1939-01-01T00:00:00Z
- Publication Start:
- 19390101
- Publication End:
- 19391231
- Corporate/Agency Author:
- Patent Office
- Publication month:
- 13
- Publication year:
- 1939
- SuDoc number:
- C 21.5/a 1:501/1-4
- Description:
- Each 2 p. large 8°
- Notes:
- [Weekly. From Official gazette, v. 501, no. 1-4.]
- Notes:
- [Weekly. From Official gazette, v. 501, no. 1-4.] † Distribution Made by Issuing Office. Paper, $2.50 a yr.
- Availability:
- † Distribution Made by Issuing Office. Paper, $2.50 a yr.
- Monthly Catalog date:
- April 1939
- Monthly Catalog issue number:
- 532
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1939-04-01T00:00:00Z
- Record start page number:
- 463