Patent US3679868A successfully refreshed from Google Patents.
US3679868A
Expired / Lapsed
US
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Baffle for electric baseboard heater units
Assignee: MERCANTILE TEXAS CREDIT Corp
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Filing: 1971-08-30
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Granted: 1972-07-25
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Expires: 1991-08-30
Abstract
Abstract The baffle of an electric baseboard heater is formed with necked elongated passages, one to house and maintain in place the capillary tube of a thermal-switch and another to house and maintain in place a wire lead connected to one terminal of a heating element for which the baffle serves as a heat reflector.
Inventors
- 👤 George G England
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:39
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/002
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
127 words
In an electrical heating unit, a finned tubular heating element having electrical terminals at opposite ends; a heat deflecting baffle extending parallel to the finned heating element and in close proximity thereto, the baffle including a rear portion extending behind the finned tubular member, an upper portion having a reversely rearwardly bent portion defining an elongated passage with a necked rear opening, and a lower portion having a rearwardly bent portion defining another elongated passage with a necked rear opening; a wire lead connected to one of the terminals of the heating element and housed in one of the said passages; a thermal-switch; and a capillary tube for the thermal-switch housed in the other passage for at least a substantial portion of the length of the baffle.
Claim 2
Dependent Claim
127 words
In an electrical heating unit, a finned tubular heating element having electrical terminals at opposite ends; a heat deflecting baffle extending parallel to the finned heating element and in close proximity thereto, the baffle including a rear portion extending behind the finned tubular member, an upper portion having a reversely rearwardly bent portion defining an elongated passage with a necked rear opening, and a lower portion having a rearwardly bent portion defining another elongated passage with a necked rear opening; a wire lead connected to one of the terminals of the heating element and housed in one of the said passages; a thermal-switch; and a capillary tube for the thermal-switch housed in the other passage for at least a substantial portion of the length of the baffle.
Claim 3
Dependent Claim
41 words
The combination as defined in claim 1 wherein said capillary tube is housed in the elongated passage of the upper portion of the baffle and said wire lead is housed in the elongated passage of the lower portion of the baffle.
References Cited (Backward Citations)
US3020382A
Cited
US3084240A
Cited
US3132230A
Cited
US3147368A
Cited
US3310652A
Cited
US3284600A
Cited
US3517163A
Cited
US3543003A
Cited
US3550680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |