Patent GB446404A successfully refreshed from Google Patents.
US2577165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device
Assignee: Honeywell Inc
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Filing: 1948-12-16
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Granted: 1951-12-04
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Expires: 1968-12-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph O Thorsheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:39
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/02; G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/38; Y; Y10; Y10S; Y10S116/00; Y10S116/42; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |