US2651325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve control mechanism
Assignee: Ohio Brass Co
•
Filing: 1947-08-14
•
Granted: 1953-09-08
•
Expires: 1967-08-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph T Lusignan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:16
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/363; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7852
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US244092A
Cited
GB189421543A
Cited
US824425A
Cited
FR339086A
Cited
US988495A
Cited
US1815394A
Cited
US2130611A
Cited
US2337841A
Cited
US2432996A
Cited
US2585556A
Cited
US2518871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |