US2898128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1954-11-26
•
Granted: 1959-08-04
•
Expires: 1974-11-26
Abstract
No abstract record available.
Inventors
- 👤 Shohan Elliot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:30
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6137; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/8593
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US373256A
Cited
US628285A
Cited
US667096A
Cited
US833143A
Cited
US1124933A
Cited
US2208286A
Cited
US2286623A
Cited
US2354255A
Cited
US2386270A
Cited
US2441363A
Cited
US2643147A
Cited
US2660493A
Cited
US2615741A
Cited
US2692151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |