Propane tank safety pressure vent valve
Crossman August 31, 1
U.S. patent number D266,019 [Application Number 06/122,595] was granted by the patent office on 1982-08-31 for propane tank safety pressure vent valve. Invention is credited to Raymond R. Crossman.
| United States Patent | D266,019 |
| Crossman | August 31, 1982 |
Propane tank safety pressure vent valve
Claims
The ornamental design for a propane tank safety pressure vent valve, as shown and described.
| Inventors: | Crossman; Raymond R. (Sacramento, CA) |
|---|---|
| Appl. No.: | 06/122,595 |
| Filed: | February 19, 1980 |
| Current U.S. Class: | D23/235; D23/247 |
| Current International Class: | D2301 |
| Field of Search: | ;D23/19-22 ;137/516.17,540,541,542 ;251/144 |
References Cited [Referenced By]
U.S. Patent Documents
| D223094 | March 1972 | Coleman et al. |
| D232360 | August 1974 | Watts |
| 1833796 | November 1931 | Rivero |
| 1973258 | September 1934 | Jensen |
| 2138000 | November 1938 | Ehlers |
| 2155124 | April 1939 | Gibbons |
| 2781778 | February 1957 | Lisciani |
| 3131718 | May 1964 | Mingrone |
Attorney, Agent or Firm: Lothrop & West
Description
FIG. 1 is an exploded perspective view of a propane tank safety pressure vent valve, showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom plan view thereof.
The fragmentary broken line representation of a propane tank in FIG. 2 is for purposes of illustration only and forms no part of the claimed design.
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