Patent US1985207A successfully refreshed from Google Patents.
US1985207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve control mechanism for tank vehicles
Assignee: Quaker City Iron Works Inc
•
Filing: 1932-09-28
•
Granted: 1934-12-18
•
Expires: 1952-09-28
Abstract
No abstract record available.
Inventors
- 👤 James A Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:51
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/07; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/4857; Y10T137/4874; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/6892; Y10T137/8593; Y10T137/87048; Y10T137/87096; Y10T137/87113
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) | 1937-12-17 | 1938-06-18 | 1938-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-17 | 1942-06-18 | 1942-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-17 | 1946-06-18 | 1946-12-18 | $7700.00 | Window Closed / Lapsed |