US3141948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical temperature control apparatus
Assignee: Individual
•
Filing: 1962-04-18
•
Granted: 1964-07-21
•
Expires: 1982-04-18
Abstract
No abstract record available.
Inventors
- 👤 Bruce B Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:13
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27539
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A SYSTEM FOR REGULATING THE TEMPERATURE OF A GIVEN BODY COMPRISING: FIRST MEANS INCLUDING A FIRST RAPID HEATING ELEMENT AND A FIRST COARSE TEMPERATURE-RESPONSIVE SWITCH FOR PRINCIPALLY HEATING UP SAID BODY RAPIDLY TO A PREDETERMINED TEMPERATURE VALUE SHORT OF A PREDETERMINED TEMPERATURE, SAID SWITCH BEING CONSTRUCTED AND ARRANGED TO SUBSTANTIALLY DE-ENERGIZE SAID FIRST HEATING ELEMENT WHEN SAID PREDETERMINED VALUE IS ATTAINED, AND SECOND MEANS INCLUDING AN AUXILIARY HEATING ELEMENT AND A FINE
Claim 2
Independent Claim
72 words
A SYSTEM FOR REGULATING THE TEMPERATURE OF A GIVEN BODY COMPRISING: FIRST MEANS INCLUDING A FIRST RAPID HEATING ELEMENT AND A FIRST COARSE TEMPERATURE-RESPONSIVE SWITCH FOR PRINCIPALLY HEATING UP SAID BODY RAPIDLY TO A PREDETERMINED TEMPERATURE VALUE SHORT OF A PREDETERMINED TEMPERATURE, SAID SWITCH BEING CONSTRUCTED AND ARRANGED TO SUBSTANTIALLY DE-ENERGIZE SAID FIRST HEATING ELEMENT WHEN SAID PREDETERMINED VALUE IS ATTAINED, AND SECOND MEANS INCLUDING AN AUXILIARY HEATING ELEMENT AND A FINE
References Cited (Backward Citations)
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Cited
US2194820A
Cited
US2285776A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |