US2865593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically operated valve
Assignee: Stewart Warner Corp
•
Filing: 1955-04-29
•
Granted: 1958-12-23
•
Expires: 1975-04-29
Abstract
No abstract record available.
Inventors
- 👤 Staiger Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:57
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/42; F16K31/16; F16K31/165; F16K31/1655; F16K31/36; F16K31/40; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US728380A
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US1849930A
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US2296213A
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US2348492A
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US2402208A
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US2616449A
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US2655942A
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DE874232C
Cited
US2729232A
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US2753147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |