Patent US5946669A successfully refreshed from Google Patents.
US2145146A
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Valve and control system therefor
Assignee: Honeywell Inc
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Filing: 1935-10-09
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Granted: 1939-01-24
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Expires: 1955-10-09
Abstract
No abstract record available.
Inventors
- 👤 James R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:35
CPC Classifications
F; F23; F23Q; F23Q3/00; F23Q3/008; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-01-23 | 1942-07-25 | 1943-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-23 | 1946-07-25 | 1947-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-23 | 1950-07-25 | 1951-01-24 | $7700.00 | Window Closed / Lapsed |