US3277260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic switch with anticipatory heater
Assignee: Honeywell Inc
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Filing: 1964-10-06
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Granted: 1966-10-04
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Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Vincent R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:31
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/2754; H01H37/12; H01H37/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
IN A THERMOSTAT, A BASE, TEMPERATURE RESPONSIVE MEANS MOUNTED ON SAID BASE, SWITCH MEANS, MEANS CONNECTING SAID TEMPERATURE RESPONSIVE MEANS TO CONTROL SAID SWITCH MEANS, A HEAT ANTICIPATION HEATER HAVING TWO PARALLEL CIRCUIT PORTIONS, AND CIRCUIT MEANS CONNECTING SAID HEATER TO SAID SWITCH MEANS TO BE ENERGIZED WHEN SAID SWITCH MEANS CONTROLS A LOAD, ONE OF SAID PARALLEL PORTIONS BEING ADAPTED TO BE REMOVED TO INCREASE THE RESISTANCE OF SAID HEATER WHEN ONLY THE OTHER PORTION IS USED.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |