US2270751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly
Assignee: General Electric Co
•
Filing: 1939-06-16
•
Granted: 1942-01-20
•
Expires: 1959-06-16
Abstract
No abstract record available.
Inventors
- 👤 Harley H Bixler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:54
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/22; F04B49/24; F04B49/243; F04B39/00; F04B39/10; F04B39/1013; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/064; F16K15/065; Y; Y10; 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)
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) | 1945-01-19 | 1945-07-21 | 1946-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-19 | 1949-07-21 | 1950-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-19 | 1953-07-21 | 1954-01-20 | $7700.00 | Window Closed / Lapsed |