US965052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor and vacuum-pump valve.
Assignee: Individual
•
Filing: 1910-01-04
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Granted: 1910-07-19
•
Expires: 1930-01-04
Abstract
No abstract record available.
Inventors
- 👤 Charles Wainwright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:51
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0433; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K2200/00; F16K2200/40; F16K2200/401; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7853; Y10T137/7904; Y10T137/7922; Y10T137/7923
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) | 1913-07-18 | 1914-01-17 | 1914-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-07-18 | 1918-01-17 | 1918-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-07-18 | 1922-01-17 | 1922-07-19 | $7700.00 | Window Closed / Lapsed |