US2428003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistance bulb thermostat
Assignee: Honeywell Inc
•
Filing: 1943-11-03
•
Granted: 1947-09-30
•
Expires: 1963-11-03
Abstract
No abstract record available.
Inventors
- 👤 Vilynn O Beam
- 👤 John M Wilson
- 👤 Cyr Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:47
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US960823A
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US1218205A
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FR503214A
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US1646845A
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US1754232A
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US2027277A
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US1879889A
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US2057945A
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GB417665A
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US2170193A
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US2098650A
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US2154862A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |