US662249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: Individual
•
Filing: 1899-11-07
•
Granted: 1900-11-20
•
Expires: 1919-11-07
Abstract
No abstract record available.
Inventors
- 👤 Alexander W Cadman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:36
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; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7914
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) | 1903-11-20 | 1904-05-21 | 1904-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-11-20 | 1908-05-21 | 1908-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-11-20 | 1912-05-21 | 1912-11-20 | $7700.00 | Window Closed / Lapsed |