US2667897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device and valve
Assignee: Honeywell Inc
•
Filing: 1948-12-27
•
Granted: 1954-02-02
•
Expires: 1968-12-27
Abstract
No abstract record available.
Inventors
- 👤 William L Huntington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/044; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/1963; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86686
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US381055A
Cited
US927593A
Cited
US1716377A
Cited
US2004417A
Cited
US2011220A
Cited
US2110326A
Cited
US2122398A
Cited
US2163132A
Cited
US2265294A
Cited
US2358999A
Cited
US2496638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |