US3099290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diverting valve
Assignee: Danfoss Chatleff Inc
•
Filing: 1961-01-31
•
Granted: 1963-07-30
•
Expires: 1981-01-31
Abstract
No abstract record available.
Inventors
- 👤 George N Chatham
- 👤 O O Shurtleff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:17
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/161; F16K11/02; F16K11/04; F16K11/048; F16K31/00; F16K31/12; F16K31/36; F16K31/40; F16K31/406; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1017492A
Cited
US1377360A
Cited
US1388624A
Cited
US2768789A
Cited
US2882929A
Cited
US2983286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |