US3000467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor separation units for internal combustion engines
Assignee: Motors Liquidation Co
•
Filing: 1958-03-17
•
Granted: 1961-09-19
•
Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Roy L Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:35
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/0047; F02M37/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1633818A
Cited
US1881860A
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US1849590A
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US1910553A
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US2323525A
Cited
US2414158A
Cited
US2554016A
Cited
US2804211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |