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Patent
D260741
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Priority
Jun 25 1979
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Filed
Jun 25 1979
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Issued
Sep 15 1981
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Expiry
Sep 15 1995
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Assg.orig
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Entity
unknown
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12
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4
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n/a
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The ornamental design for a portable door alarm, as shown.
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FIG. 1 is a front perspective view from above and one side of a portable
door alarm showing my new design;
FIG. 2 is a view of the opposite side thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a bottom view thereof; and
FIG. 5 is a front perspective view thereof with the supporting hook in an
extended position.
Lam, Yanta H. T.
Patent |
Priority |
Assignee |
Title |
6104288, |
Mar 11 1999 |
|
Door mounted audio reminder |
6154130, |
Dec 09 1997 |
|
Portable room security system |
D272993, |
Dec 30 1981 |
Mattel, Inc. |
Portable cabinet door alarm |
D274415, |
Feb 02 1982 |
Mattel, Inc. |
Portable smoke detector or similar article |
D275376, |
Apr 19 1982 |
Cable Electric Products, Inc. |
Burglar and smoke travel alarm |
D291975, |
Jan 11 1985 |
|
Alarm |
D308347, |
Dec 22 1986 |
BRYTECH INC |
Ultrasonic object detection device |
D331204, |
Oct 31 1989 |
Bellman & Symfon AB |
Portable telephone auxiliary tone ringer and door alarm |
D337960, |
Jan 29 1991 |
John Manufacturing Limited |
Portable burglar alarm |
D708086, |
Feb 01 2013 |
Ningbo Yinzhou Self Photoelectron Technology Co. |
Siren box |
D708087, |
Feb 01 2013 |
NINGBO VASA INTELLIGENT TECHNOLOGY CO , LTD |
Siren box |
D977353, |
Apr 01 2016 |
WAGNER Group GmbH |
Fire detection device with part |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 25 1979 | | Meyer Aluminium Limited | (assignment on the face of the patent) | | / |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a