US3061733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed power generator
Assignee: THOMPSON RAMO WOOIDRIDGE Inc
•
Filing: 1958-04-21
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Granted: 1962-10-30
•
Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Harold H Humpal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F01D25/22; F01D15/00; F01D15/10; H; H02; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1839121A
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US2071268A
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US2008543A
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US2102424A
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US2057561A
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US2235541A
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US2452581A
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US2495745A
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US2576284A
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US2672732A
Cited
US2642543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |