Patent US2435279A successfully refreshed from Google Patents.
US2435279A
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US
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Pump, vane type
Assignee: Borg Warner Corp
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Filing: 1943-10-25
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Granted: 1948-02-03
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Expires: 1963-10-25
Abstract
No abstract record available.
Inventors
- 👤 Earl F Hubacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:15
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US159066A
Cited
GB191122712A
Cited
US1133937A
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US1366139A
Cited
FR689408A
Cited
US1996875A
Cited
US2056910A
Cited
GB451416A
Cited
US2225803A
Cited
US2278131A
Cited
US2333323A
Cited
US2371081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |