US2865301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication
Assignee: Auto Research Corp
•
Filing: 1953-06-24
•
Granted: 1958-12-23
•
Expires: 1973-06-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:34
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/04; F16; F16N; F16N27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1470804A
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US1881554A
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US2292331A
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US2298457A
Cited
US2621593A
Cited
US2607295A
Cited
US2661095A
Cited
US2634679A
Cited
US2784555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |