Patent US2499146A successfully refreshed from Google Patents.
US2499146A
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US
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Assignee: Individual
•
Filing: 1946-01-24
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Granted: 1950-02-28
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Expires: 1966-01-24
Abstract
No abstract record available.
Inventors
- 👤 Ernest T Kindt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:51
CPC Classifications
B; B22; B22C; B22C21/00; B22C21/10; B22C7/00; B22C7/005; Y; Y10; Y10S; Y10S411/00; Y10S411/919; Y10T; Y10T403/00; Y10T403/55; Y10T403/556; Y10T403/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2358611A
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FR877872A
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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) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |