Patent US4695624A successfully refreshed from Google Patents.
US1999693A
Expired / Lapsed
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Fuel pump valve for diesel engines
Assignee: HILL DIESEL ENGINE Co
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Filing: 1931-05-25
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Granted: 1935-04-30
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Expires: 1951-05-25
Abstract
No abstract record available.
Inventors
- 👤 Harry D Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:02
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/1002; F02; F02M; F02M59/00; F02M59/02; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1352; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-04-29 | 1938-10-29 | 1939-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-29 | 1942-10-29 | 1943-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-29 | 1946-10-29 | 1947-04-30 | $7700.00 | Window Closed / Lapsed |