Patent US3069644A successfully refreshed from Google Patents.
US3069644A
Expired / Lapsed
US
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Bolometers
Assignee: TDK Micronas GmbH
•
Filing: 1959-02-16
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Granted: 1962-12-18
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Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 Edward H Eberhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:43
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096170A
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US2163393A
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US2248614A
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US2448516A
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US2556991A
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US2493745A
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US2669663A
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US2651009A
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US2892250A
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US2953690A
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 |