Patent US1957397A successfully refreshed from Google Patents.
US1957397A
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Assignee: STITT IGNITION Co
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Filing: 1933-04-03
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Granted: 1934-05-01
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Expires: 1953-04-03
Abstract
No abstract record available.
Inventors
- 👤 Benton F Stitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:14
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/20; H01T13/36; F; F16; F16B; F16B2200/00; F16B2200/60; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T403/00; Y10T403/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-04-30 | 1937-10-30 | 1938-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-04-30 | 1941-10-30 | 1942-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-04-30 | 1945-10-30 | 1946-05-01 | $7700.00 | Window Closed / Lapsed |