US2621676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pilot valve with reaction compensating means
Assignee: General Electric Co
•
Filing: 1950-11-16
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Granted: 1952-12-16
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Expires: 1970-11-16
Abstract
No abstract record available.
Inventors
- 👤 Loft Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:56
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2554; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/8667; Y10T137/86694; Y10T137/8671; Y10T137/87249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2566051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |