FR36853E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Button with erase rollers or balls
Assignee: Achille-Francois Raymond
•
Filing: 1929-04-30
•
Granted: 1930-08-25
•
Expires: 1949-04-30
Abstract
No abstract record available.
Inventors
- 👤 Achille-Francois Raymond
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 02:15
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/165; F16B21/06
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.