FR852964A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Photograph giving the illusion of relief
Assignee: RELIEPHOGRAPHIE
•
Filing: 1938-10-24
•
Granted: 1940-03-07
•
Expires: 1958-10-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 11:31
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/24
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.