Patent US2988942A successfully refreshed from Google Patents.
US2988942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination motor mount and hydraulic pressure booster
Assignee: Individual
•
Filing: 1957-05-10
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Granted: 1961-06-20
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Expires: 1977-05-10
Abstract
No abstract record available.
Inventors
- 👤 Waldo L Garberding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:26
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/28; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T82/00; Y10T82/25; Y10T82/2552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2290537A
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US2564137A
Cited
US2713283A
Cited
US2627197A
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US2612071A
Cited
US2655383A
Cited
US2662708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |