US1029464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: Individual
•
Filing: 1911-11-07
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Granted: 1912-06-11
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Expires: 1931-11-07
Abstract
No abstract record available.
Inventors
- 👤 William F Ruwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:33
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0433; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K17/0446; F16K17/046; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/785; Y10T137/7852; Y10T137/7853; Y10T137/7866; Y10T137/7867; Y10T137/7904; Y10T137/7922; Y10T137/7929
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) | 1915-06-11 | 1915-12-11 | 1916-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-06-11 | 1919-12-11 | 1920-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-06-11 | 1923-12-11 | 1924-06-11 | $7700.00 | Window Closed / Lapsed |