Patent US3809081A successfully refreshed from Google Patents.
US3125422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comparator control for a tumbling drier
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:53
CPC Classifications
G; G05; G05D; G05D22/00; G05D22/02; D; D06; D06F; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38; D06F2101/00; D06F2101/16; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/28; D06F2103/32; D06F2105/00; D06F2105/28; D06F2105/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN MECHANISM FOR MEASURING A CONDITION OF A MATERIAL TUMBLING IN A CONTGAINER, WHICH CONDITION AFFECTS THE HEAT ABSORPTION CHARACTERISTIC OF THE MATERIAL, TWO BODIES ADAPTED TO BE CONTACTED AND COOLED BY THE TUMBLING MATERIAL, AN ELECTRICAL HEATER FOR ONE OF THE BODIES, MEANS PROVIDING AN ELECTRICAL CIRCUIT FOR THE HEATER, MEANS FOR CONTROLLING SAID ELECTRICAL CIRCUIT INCLUDING A MAIN THERMALLY RESPONSIVE MEMBER ASSOCIATED WITH THE BODY HAVING THE HEATER AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF, A REFERENCE THERMALLY RESPONSIVE MEMBER ASSOCIATED WITH THE OTHER BODY AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF, COOPERATING CONTACTS CARRIED BY SAID THERMALLY RESPONSIVE MEMBERS FOR OPENING AND CLOSING SAID ELECTRICAL CIRCUIT, SAID THERMALLY RESPONSIVE MEMBERS NORMALLY MAINTAINING THE CONTACTS IN CIRCUIT-CLOSING ENGAGEMENT AND SEPARATING SAID CONTACTS ONLY WHEN THE TEMPERATURE DIFFERENCE OF THE TWO BODIES SENSED THEREBY EXCEEDS A PREDETERMINED VALUE, A RESPONDING THERMALLY RESPONSIVE MEMBER, MEANS OPERABLE BY SAID RESPONDING THERMALLY RESPONSIVE MEMBER, AND AN ELECTRICAL HEATER IN THE CIRCUIT FOR HEATING SAID RESPONDING THERMALLY RESPONSIVE MEMBER WHEN SAID CIRCUIT IS CLOSED.
Claim 2
Dependent Claim
171 words
IN MECHANISM FOR MEASURING A CONDITION OF A MATERIAL TUMBLING IN A CONTGAINER, WHICH CONDITION AFFECTS THE HEAT ABSORPTION CHARACTERISTIC OF THE MATERIAL, TWO BODIES ADAPTED TO BE CONTACTED AND COOLED BY THE TUMBLING MATERIAL, AN ELECTRICAL HEATER FOR ONE OF THE BODIES, MEANS PROVIDING AN ELECTRICAL CIRCUIT FOR THE HEATER, MEANS FOR CONTROLLING SAID ELECTRICAL CIRCUIT INCLUDING A MAIN THERMALLY RESPONSIVE MEMBER ASSOCIATED WITH THE BODY HAVING THE HEATER AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF, A REFERENCE THERMALLY RESPONSIVE MEMBER ASSOCIATED WITH THE OTHER BODY AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF, COOPERATING CONTACTS CARRIED BY SAID THERMALLY RESPONSIVE MEMBERS FOR OPENING AND CLOSING SAID ELECTRICAL CIRCUIT, SAID THERMALLY RESPONSIVE MEMBERS NORMALLY MAINTAINING THE CONTACTS IN CIRCUIT-CLOSING ENGAGEMENT AND SEPARATING SAID CONTACTS ONLY WHEN THE TEMPERATURE DIFFERENCE OF THE TWO BODIES SENSED THEREBY EXCEEDS A PREDETERMINED VALUE, A RESPONDING THERMALLY RESPONSIVE MEMBER, MEANS OPERABLE BY SAID RESPONDING THERMALLY RESPONSIVE MEMBER, AND AN ELECTRICAL HEATER IN THE CIRCUIT FOR HEATING SAID RESPONDING THERMALLY RESPONSIVE MEMBER WHEN SAID CIRCUIT IS CLOSED.
References Cited (Backward Citations)
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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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |