US2793692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timer valve
Assignee: Individual
•
Filing: 1954-07-23
•
Granted: 1957-05-28
•
Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Horstmann Ronald Blessley
- 👤 Horstmann Kenneth John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:30
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/48; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421; Y10T137/86437; Y10T137/86477
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1142608A
Cited
US1533200A
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US1995070A
Cited
US2192578A
Cited
US2309388A
Cited
US2463921A
Cited
US2614395A
Cited
US2629437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |