- Publication Title:
- Road structure, process and apparatus.
- Display Title:
- Classification definitions, established by Office of Patent Classification. 404. Road structure, process and apparatus.
- Series Title:
- Classification definitions, established by Office of Patent Classification.
- Corporate Agency Authors:
- Patent Office and Commerce Dept.
- Sort Author:
- Patent Office
- Author place:
- Washington, DC
- Author zip:
- 20231
- Date:
- Dec. 1972
- Publish Date ISO Format:
- 1972-12-01T00:00:00Z
- Publication Start:
- 19721201
- Publication End:
- 19721231
- Corporate/Agency Author:
- Patent Office
- Publication month:
- 1
- Publication year:
- 1972
- SuDoc number:
- C 21.3/2:404
- Description:
- [2]+2 +19 p. 4°
- Notes:
- [Original classification, I. J. Rotkin and others.] and [Issued with perforations.]
- Notes:
- [Issued with perforations.] † Distribution Made by Issuing Office. Paper, 25. • Sent to Depository Libraries. Item 252
- Availability:
- † Distribution Made by Issuing Office. Paper, 25. • Sent to Depository Libraries. Item 252
- GPO Item number:
- 252
- Monthly Catalog date:
- May 1973
- Monthly Catalog issue number:
- 940
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1973-05-01T00:00:00Z
- Monthly Catalog entry number:
- 23902
- Record start page number:
- 95