FR439792A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in methods for strengthening wood
Assignee: Individual
•
Filing: 1912-02-01
•
Granted: 1912-06-22
•
Expires: 1932-02-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur George Watkins
- 👤 Charles August Klemm
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 00:44
CPC Classifications
B; B27; B27M; B27M1/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.