US12966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cut-off valve
Assignee: —
•
Filing: —
•
Granted: 1855-05-29
•
Expires: 1872-05-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:44
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/046; F15B11/048; Y; Y10; Y10S; Y10S180/00; Y10S180/906; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7866
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) | 1858-05-28 | 1858-11-27 | 1859-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1862-05-28 | 1862-11-27 | 1863-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1866-05-28 | 1866-11-27 | 1867-05-29 | $7700.00 | Window Closed / Lapsed |