US2162898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relief device for lubricating apparatus
Assignee: Lincoln Engineering Co
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Filing: 1938-01-17
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Granted: 1939-06-20
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Expires: 1958-01-17
Abstract
No abstract record available.
Inventors
- 👤 Lutwin C Rotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/06; F16K15/063; F16K15/066; F16K17/02; F16K17/04; F16K17/0473; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7842; Y10T137/7904; Y10T137/7922; Y10T137/7923
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) | 1942-06-19 | 1942-12-19 | 1943-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-19 | 1946-12-19 | 1947-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-19 | 1950-12-19 | 1951-06-20 | $7700.00 | Window Closed / Lapsed |