US2739607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure regulating device
Assignee: General Electric Co
•
Filing: 1952-05-03
•
Granted: 1956-03-27
•
Expires: 1972-05-03
Abstract
No abstract record available.
Inventors
- 👤 Donald C Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/6198; Y10T137/6253; Y10T137/6307; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7904; Y10T137/7908; Y10T137/7921
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US156165A
Cited
US799732A
Cited
US1427600A
Cited
US1712791A
Cited
US1861017A
Cited
US1976820A
Cited
US2303590A
Cited
US2496214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |