Patent US2772363A successfully refreshed from Google Patents.
US3307107A
Expired / Lapsed
US
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Keyed camera transmitter and control circuit therefor
Assignee: Polaroid Corp
•
Filing: 1963-12-04
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Granted: 1967-02-28
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Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Kagan Sholly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:31
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2419978A
Cited
US2577522A
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US2764072A
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US2902610A
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US3051944A
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US3153195A
Cited
US3185056A
Cited
US3243794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |