Patent US853850A successfully refreshed from Google Patents.
US853850A
Expired / Lapsed
US
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Automatic cellar-drain.
Assignee: Individual
•
Filing: 1906-06-02
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Granted: 1907-05-14
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Expires: 1926-06-02
Abstract
No abstract record available.
Inventors
- 👤 George Woodall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/48; Y; Y10; Y10S; Y10S29/00; Y10S29/063
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) | 1910-05-13 | 1910-11-12 | 1911-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-05-13 | 1914-11-12 | 1915-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-05-13 | 1918-11-12 | 1919-05-14 | $7700.00 | Window Closed / Lapsed |