Patent US2888537A successfully refreshed from Google Patents.
US2888537A
Expired / Lapsed
US
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Thermostat and space heater control
Assignee: Individual
•
Filing: 1958-03-17
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Granted: 1959-05-26
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Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 John S Mears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:28
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/04; H01H37/12; H01H37/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2309193A
Cited
US2249259A
Cited
US2403798A
Cited
US2699480A
Cited
US2682590A
Cited
US2719894A
Cited
US2815416A
Cited
US2797281A
Cited
US2824193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |