DE890752C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Apparatus for showing unperforated film strips
Assignee: Individual
•
Filing: —
•
Granted: 1953-08-13
•
Expires: 1970-08-13
Abstract
No abstract record available.
Inventors
- 👤 Hanerau Otto Gress (Holst.)
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 03:21
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18; G03B1/20; G03B1/28; G03B21/00; G03B21/14; G03B21/32
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.