Patent US2528653A successfully refreshed from Google Patents.
US2528653A
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Pump throwout device
Assignee: Case LLC
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Filing: 1945-08-13
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Granted: 1950-11-07
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Expires: 1965-08-13
Abstract
No abstract record available.
Inventors
- 👤 Milton T Hedquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:51
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; F; F04; F04B; F04B1/00; F04B1/02; F04B1/04; F04B1/06; F04B1/066; F04B49/00; F04B49/12; F04B49/121; F04B9/00; F04B9/02; F04B9/04; F04B9/042; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |