Patent US1934108A successfully refreshed from Google Patents.
US1934108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil injection pump
Assignee: Individual
•
Filing: 1932-04-13
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Granted: 1933-11-07
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Expires: 1952-04-13
Abstract
No abstract record available.
Inventors
- 👤 Albert S Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:09
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/20; F02M59/36; F02M59/44; F02M59/46; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1364
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) | 1936-11-06 | 1937-05-08 | 1937-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-06 | 1941-05-08 | 1941-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-06 | 1945-05-08 | 1945-11-07 | $7700.00 | Window Closed / Lapsed |