Patent US889141A successfully refreshed from Google Patents.
US889141A
Expired / Lapsed
US
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Valve for radiators.
Assignee: Individual
•
Filing: 1906-08-06
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Granted: 1908-05-26
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Expires: 1926-08-06
Abstract
No abstract record available.
Inventors
- 👤 Fred W Leuthesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:06
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/08; F24D19/081; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/3093; Y10T137/3096
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) | 1911-05-26 | 1911-11-25 | 1912-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-05-26 | 1915-11-25 | 1916-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-05-26 | 1919-11-25 | 1920-05-26 | $7700.00 | Window Closed / Lapsed |