FR679047A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Ocular
Assignee: JUMELLES FLAMMARION
•
Filing: 1928-11-27
•
Granted: 1930-04-08
•
Expires: 1948-11-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 07:54
CPC Classifications
G; G02; G02B; G02B25/00; G02B25/001
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.