Patent US2255965A successfully refreshed from Google Patents.
US2255965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory shut-off valve
Assignee: GEORGE PEPPERDINE FOUNDATION
•
Filing: 1937-12-13
•
Granted: 1941-09-16
•
Expires: 1957-12-13
Abstract
No abstract record available.
Inventors
- 👤 Richard E Brandon
- 👤 A H Brandon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:55
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/36; H; H01; H01H; H01H35/00; H01H35/14; H01H35/144; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0923; Y10T137/1624; Y10T137/1632; Y10T137/1774; Y10T137/2713; Y10T137/2774; Y10T137/2802; Y10T137/2815; Y10T137/2822; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-09-15 | 1945-03-17 | 1945-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-15 | 1949-03-17 | 1949-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-15 | 1953-03-17 | 1953-09-16 | $7700.00 | Window Closed / Lapsed |