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Patent
D305152
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Priority
Apr 30 1986
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Filed
Apr 30 1986
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Issued
Dec 19 1989
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Expiry
Dec 19 2003
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Assg.orig
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Entity
unknown
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3
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2
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n/a
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The ornamental design for a revolving door, as shown and described.
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FIG. 1 is a perspective view of the four curved leaves of the revolving
door shown in FIG. 2;
FIG. 2 is a perspective view of a revolving door showing my new design;
FIG. 3 is a front elevational view of the leaves shown in FIG. 1; and
FIG. 4 is a top plan view thereof.
The characteristic feature of the ornamental design comprises four curved
leaves of the revolving door.
Wang, Bok K.
Patent |
Priority |
Assignee |
Title |
4341165, |
May 29 1980 |
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Security system including a revolving door |
4640046, |
Jun 18 1985 |
TUBELITE INC |
Revolving door collapsing mechanism |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
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