US3186105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically operated clothes drier
Assignee: Robertshaw Controls Co
•
Filing: 1960-10-24
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Granted: 1965-06-01
•
Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Dudley D Nye
- 👤 Phillip M Connaught
- 👤 Jerome H Milgram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/56; D; D06; D06F; D06F34/00; D06F34/14; D06F34/26; G01N27/00; G01N27/02; G01N27/04; G01N27/14; G01N27/18; G01N27/185; G05; G05D; G05D22/00; G05D22/02; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/10; D06F2103/28; D06F2103/32; D06F2103/44; D06F2105/00; D06F2105/28; D06F2105/62; D06F34/18; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
APPARATUS FOR PROVIDING AN ELECTRICAL SIGNAL DEPENDENT ON THE THERMAL CONDUCTIVITY OF FABRICS BEING DRIED IN THE ROTATING DRUM OF A CLOTHES DRIER BY HEATED AIR PASSING THROUGH THE DRUM, SAID APPARATUS COMPRISING A FIRST RESISTANCE THERMOMETER INCLUDING A METAL SENSING MEMBER CARRIED BY AND THERMALLY INSULATED FROM SAID DRUM AND A RESISTANCE PORTION MOUNTED WITHIN SAID SENSING MEMBER, SAID SENSING MEMBER COMING IN CONTACT WITH FABRICS PLACED IN SAID DRUM FOR DRYING WHEREBY THE RESISTANCE OF SAID RESISTANCE PORTION VARIES WITH THE THERMAL CONDUCTIVITY OF THE FABRICS; A SECOND RESISTANCE THEREMOMETER POSITIONED IN SAID CLOTHES DRIER FOR SENSING THE TEMPERATURE OF THE AIR USED TO DRY SAID FABRICS; AN ELECTRICAL CIRCUIT INCLUDING SAID FIRST RESISTANCE THERMOMETER HAVING AN ELECTRICAL OUTPUT DETERMINED BY THE RESISTANCE OF SAID FIRST RESISTANCE THERMOMETER; AND MEANS CONNECTING SAID SECOND RESISTANCE THERMOMETER IN SAID ELECTRICAL CIRCUIT TO COMPENSATE FOR THE CHANGES IN THE RESISTANCE OF SAID FIRST RESISTANCE THERMOMETER DUE TO VARIATIONS IN THE TEMPERATURE OF THE DRYING AIR.
Claim 2
Dependent Claim
164 words
APPARATUS FOR PROVIDING AN ELECTRICAL SIGNAL DEPENDENT ON THE THERMAL CONDUCTIVITY OF FABRICS BEING DRIED IN THE ROTATING DRUM OF A CLOTHES DRIER BY HEATED AIR PASSING THROUGH THE DRUM, SAID APPARATUS COMPRISING A FIRST RESISTANCE THERMOMETER INCLUDING A METAL SENSING MEMBER CARRIED BY AND THERMALLY INSULATED FROM SAID DRUM AND A RESISTANCE PORTION MOUNTED WITHIN SAID SENSING MEMBER, SAID SENSING MEMBER COMING IN CONTACT WITH FABRICS PLACED IN SAID DRUM FOR DRYING WHEREBY THE RESISTANCE OF SAID RESISTANCE PORTION VARIES WITH THE THERMAL CONDUCTIVITY OF THE FABRICS; A SECOND RESISTANCE THEREMOMETER POSITIONED IN SAID CLOTHES DRIER FOR SENSING THE TEMPERATURE OF THE AIR USED TO DRY SAID FABRICS; AN ELECTRICAL CIRCUIT INCLUDING SAID FIRST RESISTANCE THERMOMETER HAVING AN ELECTRICAL OUTPUT DETERMINED BY THE RESISTANCE OF SAID FIRST RESISTANCE THERMOMETER; AND MEANS CONNECTING SAID SECOND RESISTANCE THERMOMETER IN SAID ELECTRICAL CIRCUIT TO COMPENSATE FOR THE CHANGES IN THE RESISTANCE OF SAID FIRST RESISTANCE THERMOMETER DUE TO VARIATIONS IN THE TEMPERATURE OF THE DRYING AIR.
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |