FR52866E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Polygonal prism for optical compensation of the moving movement of the image during film shooting and reproduction
Assignee: Tobis Tonbild Syndikat GmbH
•
Filing: 1943-05-08
•
Granted: 1945-08-13
•
Expires: 1963-05-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 17:23
CPC Classifications
G; G03; G03B; G03B41/00; G03B41/02; G03B41/04; G03B41/08
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.