US2926697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary control valve
Assignee: GENESEE MACHINE BUILDERS Inc
•
Filing: 1957-06-10
•
Granted: 1960-03-01
•
Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Baker
- 👤 Hanford Henry Merle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:43
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86509; Y10T137/86517; Y10T137/86533; Y10T137/86541; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1429415A
Cited
US2818881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |