US950533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: Individual
•
Filing: 1909-08-31
•
Granted: 1910-03-01
•
Expires: 1929-08-31
Abstract
No abstract record available.
Inventors
- 👤 Richard I Hilliard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:42
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/08; F24D19/081; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/3087; Y10T137/309; Y10T137/3099; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/794; Y10T137/8013; Y10T137/8085
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) | 1913-02-28 | 1913-08-30 | 1914-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-02-28 | 1917-08-30 | 1918-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-02-28 | 1921-08-30 | 1922-03-01 | $7700.00 | Window Closed / Lapsed |