Patent
   D307479
Priority
Aug 20 1987
Filed
Aug 20 1987
Issued
Apr 24 1990
Expiry
Apr 24 2004
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for a security door, as shown and described.

FIG. 1 is a top plan view of a security door showing our new design the bottom being a mirror image thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a rear elevational view.

The broken line showing of the structural indicia is for illustrative purposes only and forms no part of the claimed design.

Bennett, Richard, Evans, Steven B., Davis, Damon A.

Patent Priority Assignee Title
ER1287,
ER4896,
Patent Priority Assignee Title
1846762,
2948366,
3895669,
4810999, Dec 06 1985 Conductive frangible grill anti-intrusion device
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 22 1987BENNETT, RICHARDDaris Design CompanyASSIGNMENT OF ASSIGNORS INTEREST 0047730366 pdf
Jul 22 1987EVANS, STEVEN B Daris Design CompanyASSIGNMENT OF ASSIGNORS INTEREST 0047730366 pdf
Jul 22 1987DAVIS, DAMON A Daris Design CompanyASSIGNMENT OF ASSIGNORS INTEREST 0047730366 pdf
Aug 20 1987Daris Design Company(assignment on the face of the patent)
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