Patent US1598610A successfully refreshed from Google Patents.
US1598610A
Expired / Lapsed
US
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Shutter for automobile radiators
Assignee: WILLIAM H DUSOLD
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Filing: 1922-09-21
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Granted: 1926-09-07
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Expires: 1942-09-21
Abstract
No abstract record available.
Inventors
- 👤 Frank X Hufschmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:46
CPC Classifications
B; B60; B60K; B60K11/00; B60K11/08; B60K11/085; F; F01; F01P; F01P7/00; F01P7/02; F01P7/10; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/88
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) | 1929-09-06 | 1930-03-08 | 1930-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-09-06 | 1934-03-08 | 1934-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-09-06 | 1938-03-08 | 1938-09-07 | $7700.00 | Window Closed / Lapsed |