US2991723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wobble plate diaphragm pump
Assignee: Motors Liquidation Co
•
Filing: 1958-02-05
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Granted: 1961-07-11
•
Expires: 1978-02-05
Abstract
No abstract record available.
Inventors
- 👤 Zubaty Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:25
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/1037; F04B53/104; F04B53/1042; F02; F02M; F02M59/00; F04B1/00; F04B1/12; F04B1/14; F04B1/20; F04B1/26; F04B1/28; F04B1/29; F04B1/295; F04B43/00; F04B43/0009; F04B43/0045; F02M2700/00; F02M2700/13; F02M2700/1317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1871816A
Cited
US2052737A
Cited
US2311939A
Cited
FR945304A
Cited
US2809868A
Cited
US2752852A
Cited
GB782231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |