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Patent US3221123A successfully refreshed from Google Patents.
US3221123A
Expired / Lapsed
US
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Thermoresponsive control for electrically energizable heating unit
Assignee: Pace Inc
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Filing: 1962-02-26
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Granted: 1965-11-30
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 John W Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:52
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/12; H01H37/28; H01H37/32; H01H37/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
CONTROL APPARATUS FOR AN ELECTRICALLY ENERGIZABLE SURFACE HEATING UNIT FOR A COOKING RANGE WHEREIN THE HEATING UNIT IS SHAPED TO DEFINE AN OPEN AREA, IN COMBINATION, A HOLLOW HOUSING HAVING A PLANAR PORTION IN REGISTRATION WITH THE OPEN AREA AND A DEPENDING CIRCULAR WALL PORTION, RESILIENT MEANS NORMALLY SUPPORTING SAID HOUSING WITH THE PLANAR PORTION THEROEF ABOVE THE PLANE OF THE UPPER SURFACE OF THE HEATING UNIT, A METAL PLATE CONTIGUOUS WITH AND SECURED TO THE LOWER SURFACE OF THE PLANAR PORTION OF THE HOUSING, A CYLINDRICAL MEMBER SECURED TO THE PLATE AND DEPENDING THEREFROM, SWITCH MEANS MOUNTED BY SAID CYLINDRICAL MEMBER INCLUDING FIRST AND SECOND SWITCH ARMS IN GENERALLY PARALLEL RELATION TO EACH OTHER AND TO THE PLANAR PORTION OF THE HOUSING, COOPERATING CONTACTS CARRIED BY THE SWITCH ARMS, TERMINAL CONNECTORS ENGAGING SAID SWITCH ARMS AND ARRANGED TO BE CONNECTED IN AN ENERGIZING CIRUCIT FOR THE HEATING UNIT, AN ELONGATED THERMORESPONSIVE ELEMENT MOUNTED ADJACENT SAID PLATE AND GENERALLY PARALLEL WITH THE PLATE ARRANGED TO BE IN-
Claim 2
Dependent Claim
167 words
CONTROL APPARATUS FOR AN ELECTRICALLY ENERGIZABLE SURFACE HEATING UNIT FOR A COOKING RANGE WHEREIN THE HEATING UNIT IS SHAPED TO DEFINE AN OPEN AREA, IN COMBINATION, A HOLLOW HOUSING HAVING A PLANAR PORTION IN REGISTRATION WITH THE OPEN AREA AND A DEPENDING CIRCULAR WALL PORTION, RESILIENT MEANS NORMALLY SUPPORTING SAID HOUSING WITH THE PLANAR PORTION THEROEF ABOVE THE PLANE OF THE UPPER SURFACE OF THE HEATING UNIT, A METAL PLATE CONTIGUOUS WITH AND SECURED TO THE LOWER SURFACE OF THE PLANAR PORTION OF THE HOUSING, A CYLINDRICAL MEMBER SECURED TO THE PLATE AND DEPENDING THEREFROM, SWITCH MEANS MOUNTED BY SAID CYLINDRICAL MEMBER INCLUDING FIRST AND SECOND SWITCH ARMS IN GENERALLY PARALLEL RELATION TO EACH OTHER AND TO THE PLANAR PORTION OF THE HOUSING, COOPERATING CONTACTS CARRIED BY THE SWITCH ARMS, TERMINAL CONNECTORS ENGAGING SAID SWITCH ARMS AND ARRANGED TO BE CONNECTED IN AN ENERGIZING CIRUCIT FOR THE HEATING UNIT, AN ELONGATED THERMORESPONSIVE ELEMENT MOUNTED ADJACENT SAID PLATE AND GENERALLY PARALLEL WITH THE PLATE ARRANGED TO BE IN-
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |