US2295097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing water from oil-circulating systems of internal combustion engines
Assignee: Tokheim Oil Tank & Pump Co
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Filing: 1939-04-05
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Granted: 1942-09-08
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Expires: 1959-04-05
Abstract
No abstract record available.
Inventors
- 👤 Paul E Waugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
F; F16; F16N; F16N39/00; F16N39/06; B; B01; B01D; B01D27/00; B01D27/02; B01D27/08; F01; F01M; F01M1/00; F01M1/10; F16N39/005; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3006; Y10T137/7287; Y10T137/7306
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) | 1945-09-07 | 1946-03-09 | 1946-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-07 | 1950-03-09 | 1950-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-07 | 1954-03-09 | 1954-09-08 | $7700.00 | Window Closed / Lapsed |