US1689011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting oil and process of producing same
Assignee: Otis Elevator Co
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Filing: 1926-02-03
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Granted: 1928-10-23
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Expires: 1946-02-03
Abstract
No abstract record available.
Inventors
- 👤 Davis Myron Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:36
CPC Classifications
F; F22; F22B; F22B29/00; F22B29/02; F22B29/023; F22B29/026; A; A45; A45D; A45D44/00; A45D44/22; C; C10; C10M; C10M1/00; C10M105/00; C10M105/72; C10M109/00; C10M109/02; C10M135/00; C10M135/02; C10M135/06; C10M3/00; D; D06; D06M; D06M7/00; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10; D06M2200/00; D06M2200/40
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) | 1931-10-23 | 1932-04-23 | 1932-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-23 | 1936-04-23 | 1936-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-23 | 1940-04-23 | 1940-10-23 | $7700.00 | Window Closed / Lapsed |