US2653797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submerged valve oil cooler
Assignee: Garrett Corp
•
Filing: 1948-11-08
•
Granted: 1953-09-29
•
Expires: 1968-11-08
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:07
CPC Classifications
F; F01; F01M; F01M5/00; F01M5/005; F01M5/007; F01P; F01P11/00; F01P11/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1764200A
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US2071106A
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GB460047A
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US2223662A
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US2288599A
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US2344207A
Cited
US2470667A
Cited
US2458547A
Cited
US2468519A
Cited
US2469212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |