US3069487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature photocells and method of making the same
Assignee: West Point Manufacturing Co
•
Filing: 1960-01-04
•
Granted: 1962-12-18
•
Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Fred P Strother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:03
CPC Classifications
H; H10; H10F; H10F30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1880289A
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US2375178A
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US2319413A
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US2480113A
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US2931847A
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US2650258A
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US2669663A
Cited
US2899659A
Cited
US2788381A
Cited
US2904612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |