US2966170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated metering valve
Assignee: Otis Engineering Corp
•
Filing: 1957-07-02
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Granted: 1960-12-27
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Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 George M Raulins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:05
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/54; F16K31/00; F16K31/44; F16K31/50; F16K31/506; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7737; Y10T137/794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1024163A
Cited
US1055307A
Cited
US1642412A
Cited
US1940990A
Cited
US1972907A
Cited
GB459915A
Cited
BE517357A
Cited
GB746721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |