US797648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: Waring & Fox Valve Co
•
Filing: 1901-01-02
•
Granted: 1905-08-22
•
Expires: 1921-01-02
Abstract
No abstract record available.
Inventors
- 👤 John B Waring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:30
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/33; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822
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) | 1908-08-21 | 1909-02-20 | 1909-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-08-21 | 1913-02-20 | 1913-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-08-21 | 1917-02-20 | 1917-08-22 | $7700.00 | Window Closed / Lapsed |