US2656000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankcase ventilation kit
Assignee: Old Carco LLC
•
Filing: 1948-09-23
•
Granted: 1953-10-20
•
Expires: 1968-09-23
Abstract
No abstract record available.
Inventors
- 👤 William E Drinkard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:36
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01M13/028; F01M13/04; F01M2013/0438; Y; Y10; Y10S; Y10S55/00; Y10S55/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1777319A
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US1766900A
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US1685985A
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US1927554A
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US2029216A
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US2466328A
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US2524597A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |