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Patent
D490575
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Priority
Apr 03 2003
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Filed
Apr 03 2003
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Issued
May 25 2004
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Expiry
May 25 2018
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Assg.orig
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Entity
unknown
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4
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11
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n/a
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The ornamental design for a descender apparatus, as shown and described.
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FIG. 1 is a front and right side perspective view of a descender apparatus showing my new design;
FIG. 2 is a right side elevation thereof;
FIG. 3 is a left side view of the descender apparatus;
FIG. 4 is a front view of the descender apparatus; and,
FIG. 5 is a top plan view thereof.
Henson, William E.
Patent |
Priority |
Assignee |
Title |
1494467, |
|
|
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2409767, |
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4171795, |
Sep 02 1977 |
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Safety line and mechanism |
4523664, |
Jun 08 1983 |
|
Safety descent device |
4877110, |
Oct 14 1988 |
D B INDUSTRIES, INC , A CORP OF MN |
Safety device with retractable lifeline |
4986390, |
Dec 08 1986 |
|
Portable slow descender |
5127490, |
Aug 22 1991 |
|
Emergency descent device |
638950, |
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744094, |
|
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797903, |
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801526, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a