US2942583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure graduating control valve
Assignee: New York Air Brake LLC
•
Filing: 1958-03-03
•
Granted: 1960-06-28
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Rue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:48
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671; Y10T137/86718; Y10T137/86734; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2327210A
Cited
US2480403A
Cited
US2516449A
Cited
US2465758A
Cited
US2480527A
Cited
US2476763A
Cited
US2624321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |