Patent US953940A successfully refreshed from Google Patents.
US953940A
Expired / Lapsed
US
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Valve.
Assignee: Individual
•
Filing: 1909-03-05
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Granted: 1910-04-05
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Expires: 1929-03-05
Abstract
No abstract record available.
Inventors
- 👤 Jacob B Beam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:35
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/42; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/6167; Y10T137/6171
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) | 1913-04-04 | 1913-10-04 | 1914-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-04-04 | 1917-10-04 | 1918-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-04-04 | 1921-10-04 | 1922-04-05 | $7700.00 | Window Closed / Lapsed |