Patent US3214569A successfully refreshed from Google Patents.
US3214569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control system
Assignee: Individual
•
Filing: 1962-02-08
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Granted: 1965-10-26
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Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 Leroy H Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:36
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/08; F24C7/087; F24C15/00; F24C15/10; F24C15/102; F24C15/106; F24C7/06; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A TEMPERATURE CONTROL SYSTEM: MEANS FOR HEATA CHAMBER, MEANS FOR ALTERNATELY OPERATING SAID HEATING MEANS IN A HIGH TEMPEATURE AND LOW TEMPERATURE CYCLE TO EFFECT HIGH TEMPERATURE AND LOW TEMPERATURE, RESPECTIVELY, IN SAID CHAMBER, A SWITCH, TIMING MEANS INCLUDING AN ELECTRICAL TIMING MOTOR AND MEANS OPRABLE BY SAID TIMING MOTOR FOR OPENING SAID SWITCH AFTER A PERIOD OF TIME TO DE-ENERGIZE SAID TIMING MOTOR AND FOR CLOSING SAID SWITCH TO PERMIT SAID OPERATING MEANS TO EFFECT HIGH TEMPERATURE CYCLE OPERATIO, A MOMENTARILY OPERABLE MANUAL SWITCH EFFECTIVE WHEN SAID OPERATING MEANS IS IN SAID LOW TEMPERATURE CYCLE, AND MEANS RESPONSIVE TO THE MOMENTARY CLOSING OF SAID MOMENTARILY OPERABLE SWICH FOR EFFECTING RE-ENERGIZATION OF SAID TIMING MOTOR UNTIL SAID SWITCH HAS BEEN CLOSED SO THAT SAID OPERATING MEANS IS RETURNED TO HIGH TEMPERATUR CYCLE OPERATION.
Claim 2
Dependent Claim
134 words
IN A TEMPERATURE CONTROL SYSTEM: MEANS FOR HEATA CHAMBER, MEANS FOR ALTERNATELY OPERATING SAID HEATING MEANS IN A HIGH TEMPEATURE AND LOW TEMPERATURE CYCLE TO EFFECT HIGH TEMPERATURE AND LOW TEMPERATURE, RESPECTIVELY, IN SAID CHAMBER, A SWITCH, TIMING MEANS INCLUDING AN ELECTRICAL TIMING MOTOR AND MEANS OPRABLE BY SAID TIMING MOTOR FOR OPENING SAID SWITCH AFTER A PERIOD OF TIME TO DE-ENERGIZE SAID TIMING MOTOR AND FOR CLOSING SAID SWITCH TO PERMIT SAID OPERATING MEANS TO EFFECT HIGH TEMPERATURE CYCLE OPERATIO, A MOMENTARILY OPERABLE MANUAL SWITCH EFFECTIVE WHEN SAID OPERATING MEANS IS IN SAID LOW TEMPERATURE CYCLE, AND MEANS RESPONSIVE TO THE MOMENTARY CLOSING OF SAID MOMENTARILY OPERABLE SWICH FOR EFFECTING RE-ENERGIZATION OF SAID TIMING MOTOR UNTIL SAID SWITCH HAS BEEN CLOSED SO THAT SAID OPERATING MEANS IS RETURNED TO HIGH TEMPERATUR CYCLE OPERATION.
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |