US852518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: JOHN A SALMON
•
Filing: 1905-02-20
•
Granted: 1907-05-07
•
Expires: 1925-02-20
Abstract
No abstract record available.
Inventors
- 👤 Alexander Wilcoxson Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:57
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915; Y10T137/7918
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) | 1910-05-06 | 1910-11-05 | 1911-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-05-06 | 1914-11-05 | 1915-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-05-06 | 1918-11-05 | 1919-05-07 | $7700.00 | Window Closed / Lapsed |