Patent US2585189A successfully refreshed from Google Patents.
US2585189A
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US
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Pumping mechanism for centralized lubricating systems
Assignee: Stewart Warner Corp
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Filing: 1946-09-30
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Granted: 1952-02-12
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Expires: 1966-09-30
Abstract
No abstract record available.
Inventors
- 👤 Harry R Tear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:57
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/02; F16N13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190704955A
Cited
US2063903A
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US1825973A
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US1919118A
Cited
US2068391A
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US2075719A
Cited
US2260497A
Cited
US2353734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |