US885145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-pressure valve.
Assignee: HUGH MATHEWS
•
Filing: 1906-02-23
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Granted: 1908-04-21
•
Expires: 1926-02-23
Abstract
No abstract record available.
Inventors
- 👤 William F Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:47
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/04; B60T15/043; B60T15/045; B60T15/046; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654
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) | 1911-04-21 | 1911-10-21 | 1912-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-04-21 | 1915-10-21 | 1916-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-04-21 | 1919-10-21 | 1920-04-21 | $7700.00 | Window Closed / Lapsed |