DE861503C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for fastening a perforated film
Assignee: Robot Berning & Co
•
Filing: 1951-08-28
•
Granted: 1953-01-05
•
Expires: 1971-08-28
Abstract
No abstract record available.
Inventors
- 👤 Franz Hoerth
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 09:34
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.