Patent US2328642A successfully refreshed from Google Patents.
US2328642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined safety pilot and control valve mechanism
Assignee: TITAN VALVE AND Manufacturing Co
•
Filing: 1941-05-02
•
Granted: 1943-09-07
•
Expires: 1961-05-02
Abstract
No abstract record available.
Inventors
- 👤 Noel B Green
- 👤 Carlton W Bondurant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:42
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/08; F23Q9/12; F23Q9/14; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88046; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238
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) | 1946-09-06 | 1947-03-08 | 1947-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-06 | 1951-03-08 | 1951-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-06 | 1955-03-08 | 1955-09-07 | $7700.00 | Window Closed / Lapsed |