US2553898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film feeding mechanism
Assignee: Individual
•
Filing: 1945-08-31
•
Granted: 1951-05-22
•
Expires: 1965-08-31
Abstract
No abstract record available.
Inventors
- 👤 Debrie Andre Victor Le Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:16
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1836613A
Cited
GB347950A
Cited
US2077860A
Cited
US1966684A
Cited
US2033277A
Cited
USRE21884E
Cited
US2008097A
Cited
US2031756A
Cited
US2102895A
Cited
US2142606A
Cited
US2133820A
Cited
US2248106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |