US2966295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low oil level control
Assignee: CHAMPION PNEUMATIC MACHINERY C
•
Filing: 1956-10-11
•
Granted: 1960-12-27
•
Expires: 1976-10-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick J Rayfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:16
CPC Classifications
F; F16; F16N; F16N29/00; F16N29/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US420979A
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US606195A
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US1058238A
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US2065204A
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US2317119A
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US2346886A
Cited
US2456994A
Cited
US2606543A
Cited
US2764645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |