US2664910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow distributor valve
Assignee: AV Roe Canada Ltd
•
Filing: 1950-06-17
•
Granted: 1954-01-05
•
Expires: 1970-06-17
Abstract
No abstract record available.
Inventors
- 👤 Boyd Winnett
- 👤 Meschino Ronald Guerin
- 👤 Jay Kenneth William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:48
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/26; F02; F02C; F02C7/00; F02C7/22; F02C7/228; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2652; Y10T137/8593; Y10T137/86493; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US613623A
Cited
US1150743A
Cited
FR613965A
Cited
US1962549A
Cited
US2011333A
Cited
US2161507A
Cited
US2147845A
Cited
US2308583A
Cited
US2536440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |