US3048378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaned valve
Assignee: Individual
•
Filing: 1959-07-14
•
Granted: 1962-08-07
•
Expires: 1979-07-14
Abstract
No abstract record available.
Inventors
- 👤 Sr Ivan V Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:56
CPC Classifications
F; F02; F02M; F02M9/00; F02M9/12; F02M9/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US997417A
Cited
US1327233A
Cited
GB195522A
Cited
US1505961A
Cited
US1753009A
Cited
US1896557A
Cited
US1882966A
Cited
US2383697A
Cited
FR923190A
Cited
US2684059A
Cited
US2914385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |