Patent US3151561A successfully refreshed from Google Patents.
US3151561A
Expired / Lapsed
US
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Multi-cylinder pump
Assignee: Motors Liquidation Co
•
Filing: 1961-12-01
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Granted: 1964-10-06
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Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Manfred P H Schlanzky
- 👤 Joseph G Zubaty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:34
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/02; F02M59/04; F02M37/00; F02M37/04; F02M37/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2193612A
Cited
US2501054A
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US2711135A
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US2792789A
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US2956501A
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US2941475A
Cited
US2940396A
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US3002528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |