US2922374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump means
Assignee: Motors Liquidation Co
•
Filing: 1955-03-14
•
Granted: 1960-01-26
•
Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Peter W Perish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:03
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2205; F04D29/2216; F04D29/08; F04D29/10; F04D29/12; F04D29/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1105807A
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GB100858A
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GB117558A
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AT100901B
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DE522872C
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US1869955A
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US1891267A
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GB476373A
Cited
US2341871A
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US2330488A
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CH226992A
Cited
US2349731A
Cited
US2465930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |