US2749936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure actuated valve
Assignee: Schulz Tool and Manufacturing Co
•
Filing: 1950-09-20
•
Granted: 1956-06-12
•
Expires: 1970-09-20
Abstract
No abstract record available.
Inventors
- 👤 James K Mosher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:33
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7297; Y10T137/7358; Y10T137/7368; Y10T137/7371
Claims Analysis
Total Claims: 0
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US2699316A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |