- Publication Title:
- Inventions. Changes in classification [of inventions], order 2647 and 2650; Apr. 8 and 20, 1921.
- Display Title:
- Inventions. Changes in classification [of inventions], order 2647 and 2650; Apr. 8 and 20, 1921.
- Corporate Agency Authors:
- Patent Office and Interior Department
- Sort Author:
- Patent Office
- Date:
- [1921.]
- Publish Date ISO Format:
- 1921-01-01T00:00:00Z
- Publication Start:
- 19210101
- Publication End:
- 19211231
- Corporate/Agency Author:
- Patent Office
- Publication month:
- 13
- Publication year:
- 1921
- Description:
- 1 p. large 8°
- Notes:
- [From Official gazette, v. 285, no. 3, and v. 286, no. 1.]
- Notes:
- [From Official gazette, v. 285, no. 3, and v. 286, no. 1.] ‡ Official Use. Not Available.
- Availability:
- ‡ Official Use. Not Available.
- Monthly Catalog date:
- May 1921
- Monthly Catalog issue number:
- 317
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1921-05-01T00:00:00Z
- Record start page number:
- 588