FR675812A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Auxiliary spectacle frame
Assignee: Robert Klein
•
Filing: 1929-05-27
•
Granted: 1930-02-14
•
Expires: 1949-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert Klein
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 23:42
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/02; G02C7/08; G02C9/00; G02C9/04
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.