- Publication Title:
- Inventions. Changes in classification [of inventions], order 3161. 3168, 3170, 3173, 3175; Sept. 13-Dec. 20, 1930.
- Display Title:
- Inventions. Changes in classification [of inventions], order 3161. 3168, 3170, 3173, 3175; Sept. 13-Dec. 20, 1930.
- Corporate Agency Authors:
- Patent Office and Commerce Department
- Sort Author:
- Patent Office
- Date:
- [1931.]
- Publish Date ISO Format:
- 1931-01-01T00:00:00Z
- Publication Start:
- 19310101
- Publication End:
- 19311231
- Corporate/Agency Author:
- Patent Office
- Publication month:
- 13
- Publication year:
- 1931
- SuDoc number:
- C 21.5/a 6:930/2
- Description:
- 3 p. large 8°
- Notes:
- [From Official gazette, v. 398, no. 5, v. 400, no. 2, v. 401, nos. 3 and 4, and v. 402, no. 1.]
- Notes:
- [From Official gazette, v. 398, no. 5, v. 400, no. 2, v. 401, nos. 3 and 4, and v. 402, no. 1.] ‡ Official Use. Not Available.
- Availability:
- ‡ Official Use. Not Available.
- Monthly Catalog date:
- January 1931
- Monthly Catalog issue number:
- 433
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1931-01-01T00:00:00Z
- Record start page number:
- 482