Screw plug mounting for an electric immersion heater
Shirey March 8, 1
U.S. patent number D243,582 [Application Number 05/594,851] was granted by the patent office on 1977-03-08 for screw plug mounting for an electric immersion heater. Invention is credited to Robert D. Shirey.
| United States Patent | D243,582 |
| Shirey | March 8, 1977 |
Screw plug mounting for an electric immersion heater
Claims
The ornamental design for a screw plug mounting for an electric immersion heater, substantially as shown and described.
| Inventors: | Shirey; Robert D. (Pittsburgh, PA) |
|---|---|
| Appl. No.: | 05/594,851 |
| Filed: | July 10, 1975 |
| Current U.S. Class: | D23/316; D8/387 |
| Current International Class: | D0808 |
| Field of Search: | ;85/1R ;220/303 ;4/367,288,284 ;D8/267,264,274,273 |
References Cited [Referenced By]
U.S. Patent Documents
| 1279651 | September 1918 | Campbell |
| 1569881 | January 1926 | Reid |
| 3138173 | June 1974 | Hartman |
Attorney, Agent or Firm: Williams; Michael
Description
FIG. 1 is a perspective view of a screw plug mounting for an electric immersion heater showing my new design;
FIG. 2 is a top plan view of said mounting.
FIG. 3 is a sectional view corresponding to the line 3--3 of FIG. 2, and
FIG. 4 is a view similar to FIG. 3, but showing a slightly modified design; but having the same general appearance of FIG. 1.
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