FR23186E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Envelope letter
Assignee: LEON SILVA
•
Filing: 1918-11-21
•
Granted: 1921-10-18
•
Expires: 1938-11-21
Abstract
No abstract record available.
Inventors
- 👤 Leon Silva
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 13:31
CPC Classifications
B; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08
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.