Patent US6221049B1 successfully refreshed from Google Patents.
US2753014A
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Lubrication apparatus for air compressors
Assignee: Compagnie des Freins et Signaux Westinghouse SA
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Filing: 1953-12-24
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Granted: 1956-07-03
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Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 Baudin Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:20
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/02; F16N13/06; F16N13/16; F04; F04B; F04B39/00; F04B39/02; F04B7/00; F04B7/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB591056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |