US2753776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety mechanism on film feeding means for camera
Assignee: SAWYER S Inc
•
Filing: 1952-10-13
•
Granted: 1956-07-10
•
Expires: 1972-10-13
Abstract
No abstract record available.
Inventors
- 👤 Gordon N Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:25
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/08; G03B35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE641181C
Cited
DE626104C
Cited
DE624351C
Cited
DE686736C
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DE644420C
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DE688661C
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US2090017A
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US2194284A
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GB500626A
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US2150642A
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US2266656A
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FR867402A
Cited
US2385804A
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US2345999A
Cited
GB555885A
Cited
US2418594A
Cited
US2453075A
Cited
US2548172A
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US2476576A
Cited
US2515272A
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US2601817A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |