Back pressure regulator
Looney February 11, 1
U.S. patent number D282,562 [Application Number 06/463,554] was granted by the patent office on 1986-02-11 for back pressure regulator. This patent grant is currently assigned to Baird Manufacturing Company. Invention is credited to Raymond H. Looney.
| United States Patent | D282,562 |
| Looney | February 11, 1986 |
Back pressure regulator
Claims
The ornamental design for a back pressure regulator, substantially as shown and described.
| Inventors: | Looney; Raymond H. (Tulsa, OK) |
|---|---|
| Assignee: | Baird Manufacturing Company
(Tulsa, OK) |
| Appl. No.: | 06/463,554 |
| Filed: | February 3, 1983 |
| Current U.S. Class: | D23/235 |
| Field of Search: | ;D23/19-22,37-39 ;137/514,514.5,539,539.5 |
References Cited [Referenced By]
U.S. Patent Documents
| D33306 | October 1900 | Perkins |
| D45994 | June 1914 | Hedmark |
| D96405 | July 1935 | Murphy |
| D218519 | August 1970 | Mese |
| 2568026 | September 1951 | Pigott |
| 2686534 | August 1954 | Montelius |
| 2831500 | April 1958 | Fennema et al. |
| 3236256 | February 1966 | Valentine |
| 3409037 | November 1968 | Nelson |
| 3487852 | January 1970 | Kikendall |
| 4321945 | March 1982 | Chubat-Courrede |
Attorney, Agent or Firm: Head, Johnson & Stevenson
Description
FIG. 1 is a right side elevational view of a back pressure regulator showing my new design, the left side being a mirror image of the right side shown;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a bottom plan view thereof.
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