Patent US3499376A successfully refreshed from Google Patents.
US3499376A
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Removable cassette camera with film severing mechanism
Assignee: COLEMAN ENG Co Inc
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Filing: 1967-02-13
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Granted: 1970-03-10
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Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 William R Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:53
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/16; F04D25/166; G; G03; G03B; G03B17/00; G03B17/28; G03B17/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2520799A
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US2492900A
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US2585226A
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US2545196A
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US2578283A
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US3030045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |