Patent DE763760C successfully refreshed from Google Patents.
DE763760C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Sound recording film recording and reproducing apparatus
Assignee: Individual
•
Filing: 1940-02-01
•
Granted: 1951-05-21
•
Expires: 1960-02-01
Abstract
No abstract record available.
Inventors
- 👤 Gustav Fries
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 09:45
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/06; G11B23/00; G11B23/20; G11B23/22; G11B25/10; G11B3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.