US2708985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication system
Assignee: US Electrical Motors Inc
•
Filing: 1952-09-11
•
Granted: 1955-05-24
•
Expires: 1972-09-11
Abstract
No abstract record available.
Inventors
- 👤 William M Evans
- 👤 Robert A Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:14
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1890844A
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US1859068A
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US1858404A
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US1986040A
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US1988440A
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US2063673A
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US2308513A
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US2524555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |