Patent US3041055A successfully refreshed from Google Patents.
US803889A
Expired / Lapsed
US
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Throttle-valve.
Assignee: AHRENS FIRE ENGINE Co
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Filing: 1905-04-29
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Granted: 1905-11-07
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Expires: 1925-04-29
Abstract
No abstract record available.
Inventors
- 👤 Charles H Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:06
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/44; F16K1/443; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88062
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) | 1908-11-06 | 1909-05-08 | 1909-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-11-06 | 1913-05-08 | 1913-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-11-06 | 1917-05-08 | 1917-11-07 | $7700.00 | Window Closed / Lapsed |