US2919540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for utilizing waste heat
Assignee: Motors Liquidation Co
•
Filing: 1957-02-25
•
Granted: 1960-01-05
•
Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Worth H Percival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:02
CPC Classifications
F; F02; F02G; F02G5/00; F02G5/02; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US594185A
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US933577A
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US992780A
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US1068414A
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US1594383A
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US1665885A
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US1767714A
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US2245209A
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US2429035A
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US2708827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |