Patent US2857926A successfully refreshed from Google Patents.
US2857926A
Expired / Lapsed
US
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Manifold heat control valve
Assignee: Motors Liquidation Co
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Filing: 1953-02-05
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Granted: 1958-10-28
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Expires: 1973-02-05
Abstract
No abstract record available.
Inventors
- 👤 Henning W Rundquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:48
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/02; F02M31/04; F02M31/06; F02M31/08; F02M31/083; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6525
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US474227A
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US1572922A
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US1605083A
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US1858587A
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US1953540A
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US1954192A
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US2058996A
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US2564112A
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US2603444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |