US3461894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually resettable safety valve
Assignee: Honeywell Inc
•
Filing: 1965-10-18
•
Granted: 1969-08-19
•
Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 John R Maclennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:00
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/53; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/1516
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1831021A
Cited
US2258811A
Cited
US2381926A
Cited
US2789572A
Cited
US3303866A
Cited
US3348561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |