Patent US996600A successfully refreshed from Google Patents.
US996600A
Expired / Lapsed
US
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Drain-valve.
Assignee: Individual
•
Filing: 1910-04-15
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Granted: 1911-06-27
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Expires: 1930-04-15
Abstract
No abstract record available.
Inventors
- 👤 Elza S Stotts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:59
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/20; F16K17/22; F16K17/24; F16K17/28; F16K17/30; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/794; Y10T137/8122
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) | 1914-06-26 | 1914-12-26 | 1915-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-06-26 | 1918-12-26 | 1919-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-06-26 | 1922-12-26 | 1923-06-27 | $7700.00 | Window Closed / Lapsed |