US2890391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Honeywell Inc
•
Filing: 1954-05-10
•
Granted: 1959-06-09
•
Expires: 1974-05-10
Abstract
No abstract record available.
Inventors
- 👤 Carl J Bishofberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:32
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/30; H01H43/308; Y; Y10; Y10T; Y10T137/00; Y10T137/6416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1988958A
Cited
US2114961A
Cited
US2083387A
Cited
US2222419A
Cited
US2391974A
Cited
US2458123A
Cited
US2610271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |