US3053985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photocell circuits
Assignee: Eastman Kodak Co
•
Filing: 1959-08-03
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Granted: 1962-09-11
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Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Reynold A Grammer
- 👤 Modney William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:42
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; G01J1/44; H; H03; H03K; H03K17/00; H03K17/28; H03K17/288; Y; Y10; Y10S; Y10S136/00; Y10S136/291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |