Patent
   D408608
Priority
Jan 31 1996
Filed
Feb 10 1998
Issued
Apr 20 1999
Expiry
Apr 20 2013
Assg.orig
Entity
unknown
5
13
n/a
I claim the ornamental design for the portable roof lifting apparatus, as shown and described.

FIG. 1 is a perspective view of the portable roof lifting apparatus showing my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a back elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The cord is broken away on the end indicating indefinite length.

Brown, Charles N.

Patent Priority Assignee Title
11174140, May 13 2020 Hoist mounting apparatus and system
D553825, Mar 30 2006 HANDICARE CANADA LTD Ceiling lift
D566375, Mar 30 2006 HANDICARE CANADA LTD Ceiling lift
D567472, Mar 30 2006 HANDICARE CANADA LTD Ceiling lift
D739634, Jul 24 2014 Tree mountable hoist support
Patent Priority Assignee Title
1085208,
224376,
3131907,
3280939,
3791627,
4004778, Mar 29 1976 Portable roof winch
4660679, Feb 10 1986 Safety alarm tripod
5184860, Mar 12 1990 Potain Motorized remote-controlled load gripping device
5265742, Apr 12 1993 Portable, collapsible hoist apparatus
5341898, Aug 20 1993 Foldable boom for mounting on a roof of a building
5431248, Oct 25 1993 Confined space lowering and retrieving apparatus
207723,
D278172, Sep 30 1982 Auto roof hoist
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