Patent US2160741A successfully refreshed from Google Patents.
US2160741A
Expired / Lapsed
US
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Distributor control valve for tank vehicles
Assignee: Quaker City Iron Works Inc
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Filing: 1937-02-05
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Granted: 1939-05-30
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Expires: 1957-02-05
Abstract
No abstract record available.
Inventors
- 👤 James A Jensen
- 👤 Ralph B Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:18
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/083; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4386; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8593; Y10T137/877; Y10T137/87909
Claims Analysis
Total Claims: 0
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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) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |