US876867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: Individual
•
Filing: 1907-03-08
•
Granted: 1908-01-14
•
Expires: 1927-03-08
Abstract
No abstract record available.
Inventors
- 👤 Timothy A Duggan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:35
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7381; Y10T137/74; Y10T137/7423; Y10T137/7426
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) | 1911-01-13 | 1911-07-15 | 1912-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-01-13 | 1915-07-15 | 1916-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-01-13 | 1919-07-15 | 1920-01-14 | $7700.00 | Window Closed / Lapsed |