US2731893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film-positioning apparatus for cameras
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:34
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309798A
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US1443433A
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US1082678A
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US2049041A
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US1936923A
Cited
US2283788A
Cited
FR849283A
Cited
US2333835A
Cited
US2528308A
Cited
US2596222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |