Patent
   D329809
Priority
Apr 06 1990
Filed
Oct 03 1990
Issued
Sep 29 1992
Expiry
Sep 29 2006
Assg.orig
Entity
unknown
59
5
n/a
The ornamental design for a tamperproof cap, as shown and described.

FIG. 1 is a top plan view of a tamperproof cap showing my new design;

FIG. 2 is an inverted bottom perspective view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a front elevational view thereof, the rear being identical;

FIG. 5 is a side elevational view thereof, the opposite side being identical; and,

FIG. 6 is a bottom plan view thereof.

Bloomfield, John I.

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Patent Priority Assignee Title
4071156, Aug 13 1976 The West Company Child resistant container-closure assembly
4322009, May 19 1980 OWENS-ILLINOIS CLOSURE INC Tamper proof molded plastic closure
4524876, Aug 23 1984 OWENS-ILLINOIS CLOSURE INC Tamper indicating child-resistant package
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D256672, Mar 30 1977 Albert Obrist AG. Closure cap
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 28 1990BLOOMFIELD, JOHN I Plastic Consulting and Design LimitedASSIGNMENT OF ASSIGNORS INTEREST 0054690935 pdf
Oct 03 1990Plastic Consulting and Design Limited(assignment on the face of the patent)
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