US3079504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling device for infrared detector
Assignee: Individual
•
Filing: 1956-12-20
•
Granted: 1963-02-26
•
Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Hutchens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:50
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/02; G01J5/00; G01J5/02; G01J5/04; G01J5/041; G01J5/06; G01J5/061; G01J5/08; G01J5/0881; G01J5/0884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2522153A
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US2544261A
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US2547173A
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US2711084A
Cited
US2884345A
Cited
US2768527A
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US2727119A
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US2749715A
Cited
US2788381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |