Patent US1047863A successfully refreshed from Google Patents.
US1047863A
Expired / Lapsed
US
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Float-operated valve.
Assignee: L A BROWN
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Filing: 1912-05-16
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Granted: 1912-12-17
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Expires: 1932-05-16
Abstract
No abstract record available.
Inventors
- 👤 John W Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:38
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7407; Y10T137/741; Y10T137/7439; Y10T137/7446; Y10T137/7449; Y10T137/7475; Y10T137/7478
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) | 1915-12-17 | 1916-06-17 | 1916-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-12-17 | 1920-06-17 | 1920-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-12-17 | 1924-06-17 | 1924-12-17 | $7700.00 | Window Closed / Lapsed |