US2981116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion transmitting apparatus for pump plungers and the like
Assignee: Individual
•
Filing: 1957-05-20
•
Granted: 1961-04-25
•
Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Axel R Scholin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:56
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/18248; Y10T74/18256; Y10T74/21; Y10T74/2142; Y10T74/2151
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US214203A
Cited
US369289A
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US793499A
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US2030296A
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US2291889A
Cited
US2257387A
Cited
US2564793A
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US2770972A
Cited
US2783652A
Cited
US2841991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |