US2655936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly
Assignee: Westinghouse Electric Corp
•
Filing: 1950-02-21
•
Granted: 1953-10-20
•
Expires: 1970-02-21
Abstract
No abstract record available.
Inventors
- 👤 Wexler Aaron
- 👤 George T Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:29
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; G05D16/103; Y; Y10; Y10S; Y10S251/00; Y10S251/90; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7936
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US156371A
Cited
US1322638A
Cited
GB190412911A
Cited
US820239A
Cited
US874652A
Cited
US2311009A
Cited
US2417494A
Cited
US2524951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |