Patent US954850A successfully refreshed from Google Patents.
US2805628A
Expired / Lapsed
US
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Variable capacity pump
Assignee: Motors Liquidation Co
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Filing: 1954-08-19
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Granted: 1957-09-10
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Expires: 1974-08-19
Abstract
No abstract record available.
Inventors
- 👤 Walter B Herndon
- 👤 Richard L Thorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:04
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1777851A
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US2062310A
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US2033218A
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US2335284A
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US2313246A
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US2460047A
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US2588430A
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US2600632A
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US2678607A
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US2600633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |