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The ornamental design for a heater for plastic or polyvinyl chloride conduit, as shown and described. |
FIG. 1 is a left front perspective of a heater for plastic or polyvinyl chloride conduit, showing our new design;
FIG. 2 is a front elevational view, thereof;
FIG. 3 is a rear elevational view, thereof;
FIG. 4 is a top plan view, thereof;
FIG. 5 is a bottom plan view, thereof;
FIG. 6 is a left end elevational view thereof;
FIG. 7 is a right end elevational view thereof; and
FIG. 8 is a front elevational view thereof, with the conduit support subframe in extended condition.
The representation of the piece of polyvinyl chloride conduit shown in broken lines in FIG. 8 is included solely for purposes of illustration, and forms no part of the claimed design.
Kirkes, Michael D., Wallace, Steven P.
Patent | Priority | Assignee | Title |
Patent | Priority | Assignee | Title |
4052593, | Jun 23 1975 | Electric heating apparatus for heating thermoplastic articles | |
4749843, | Oct 14 1986 | COAST BUSINESS CREDIT, A DIVISION OF SOUTHERN PACIFIC BANK | Enveloping radiant heater |
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