Patent US5391153A successfully refreshed from Google Patents.
US2792912A
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US
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Automatic control system for lubricant supply
Assignee: Individual
•
Filing: 1954-12-17
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Granted: 1957-05-21
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Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Reino W Kangas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:07
CPC Classifications
F; F16; F16N; F16N19/00; F16N19/006; F01; F01M; F01M11/00; F01M11/06; F01M11/061; G; G05; G05D; G05D9/00; G05D9/12; F01M11/062; F01M11/065; F16N2270/00; F16N2270/10; F16N2270/14; F16N2280/00; F16N2280/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1280222A
Cited
US1542912A
Cited
US1587922A
Cited
GB397507A
Cited
GB591056A
Cited
US2671529A
Cited
US2739608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |