US2430693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-spot manifold
Assignee: Individual
•
Filing: 1945-05-09
•
Granted: 1947-11-11
•
Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Udale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:19
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4392
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2355716A
Cited
US2376732A
Cited
US2390019A
Cited
US1841046A
Cited
US2124403A
Cited
US2193533A
Cited
US2327592A
Cited
US2317625A
Cited
US2293884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |