Patent DE728565C successfully refreshed from Google Patents.
DE728565C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Back cover tumbler on roll film cameras
Assignee: Kodak GmbH
•
Filing: 1940-01-25
•
Granted: 1942-11-28
•
Expires: 1960-01-25
Abstract
No abstract record available.
Inventors
- 👤 Eugen Edel
- 👤 Helmut Polte
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 19:20
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04
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.