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Patent US2846147A successfully refreshed from Google Patents.
US2846147A
Expired / Lapsed
US
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Narrow range thermostat
Assignee: Individual
•
Filing: 1956-02-16
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Granted: 1958-08-05
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Expires: 1976-02-16
Abstract
No abstract record available.
Inventors
- 👤 Richard T Keating
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:52
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1266; G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126; G05D23/127; G05D23/128
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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |