Patent US2554892A successfully refreshed from Google Patents.
US2554892A
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Film driving mechanism for optical compensating motion-picture apparatus
Assignee: Revere Camera Co
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Filing: 1946-11-14
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Granted: 1951-05-29
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Expires: 1966-11-14
Abstract
No abstract record available.
Inventors
- 👤 Briskin Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:23
CPC Classifications
G; G03; G03B; G03B41/00; G03B41/02; G03B41/04; G03B41/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1232418A
Cited
US1579805A
Cited
US1637378A
Cited
US1910995A
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US2211218A
Cited
US2422816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |