Patent US2871601A successfully refreshed from Google Patents.
Patent DE706182C successfully refreshed from Google Patents.
DE706182C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for securing the end of the film strip at one point against tearing off the strip material during the unwinding process
Assignee: Firma Johannes Bockemuehl
•
Filing: 1939-05-07
•
Granted: 1941-05-20
•
Expires: 1959-05-07
Abstract
No abstract record available.
Inventors
- 👤 Johannes Bockemuehl
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 15:53
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/08; G03D13/14
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.