US2328815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: Twentieth Century Fox Film Corp
•
Filing: 1942-02-14
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Granted: 1943-09-07
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Expires: 1962-02-14
Abstract
No abstract record available.
Inventors
- 👤 Lavin John Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:12
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/303; E04G7/304; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/10; F16B5/00; F16B5/06; F16B5/0685
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-09-06 | 1947-03-08 | 1947-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-06 | 1951-03-08 | 1951-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-06 | 1955-03-08 | 1955-09-07 | $7700.00 | Window Closed / Lapsed |