Patent US299222A successfully refreshed from Google Patents.
Patent US843380A successfully refreshed from Google Patents.
US843380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan for automobile cooling systems.
Assignee: Winton Motor Carriage Co
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Filing: 1906-04-02
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Granted: 1907-02-05
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Expires: 1926-04-02
Abstract
No abstract record available.
Inventors
- 👤 Alexander Winton
- 👤 Harold B Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:00
CPC Classifications
B; B64; B64D; B64D35/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679
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) | 1910-02-04 | 1910-08-06 | 1911-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-02-04 | 1914-08-06 | 1915-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-02-04 | 1918-08-06 | 1919-02-05 | $7700.00 | Window Closed / Lapsed |