Patent US2514431A successfully refreshed from Google Patents.
US2514431A
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Assignee: Individual
•
Filing: 1946-03-27
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Granted: 1950-07-11
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Expires: 1966-03-27
Abstract
No abstract record available.
Inventors
- 👤 Austin A West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:17
CPC Classifications
B; B24; B24C; B24C7/00; F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08; F16K3/085; Y; Y10; Y10S; Y10S137/00; Y10S137/901; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191201977A
Cited
US1299452A
Cited
US1549969A
Cited
US1856226A
Cited
US2383099A
Cited
US2365105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |