Patent
   D270073
Priority
Jun 12 1981
Filed
Jun 12 1981
Issued
Aug 09 1983
Expiry
Aug 09 1997
Assg.orig
Entity
unknown
11
3
n/a
The ornamental design for a demonstrator for indicating the effect of additive in engine oil and the like, substantially as shown.

FIG. 1 is an isometric view from an upper aspect of a demonstrator for indicating the effect of additive in engine oil and the like, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Morey, Clinton H.

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Patent Priority Assignee Title
1410456,
2175638,
D254793, Jan 11 1978 STEAD, DOLORES E Demonstrator for indicating the effect of additive in engine oil and the like
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 10 1981MOREY, CLINTON H STEAD, DOLORES E ASSIGNMENT OF ASSIGNORS INTEREST 0038980542 pdf
Jun 12 1981Dolores E., Stead(assignment on the face of the patent)
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