US2436418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding mechanism
Assignee: MOTION PICTURE ENGINEERING COR
•
Filing: 1943-09-23
•
Granted: 1948-02-24
•
Expires: 1963-09-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Bradford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:53
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1299612A
Cited
US1277559A
Cited
US1346357A
Cited
US1398680A
Cited
US1654800A
Cited
US1850755A
Cited
FR758927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |