Patent
   D281980
Priority
Jun 09 1982
Filed
Dec 06 1982
Issued
Dec 31 1985
Expiry
Dec 31 1999
Assg.orig
Entity
unknown
0
4
n/a
The ornamental design for a balance arm for supporting working tools, as shown and described.

FIG. 1 is a side elevational view of a balance arm for supporting working tools showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side end elevational view taken from the left of FIG. 1;

FIG. 4 is a side end elevational view taken from the right of FIG. 1;

FIG. 5 is a bottom plan view thereof.

Larsson, Bertil

Patent Priority Assignee Title
Patent Priority Assignee Title
4259876, Oct 02 1979 Mechanical arm
4437635, Jan 26 1981 National Research Development Corporation Pantograph linkage system
4451196, Jul 08 1981 Tokyo Shibaura Denki Kabushiki Kaisha Transfer apparatus
4455120, Feb 25 1981 GESELLSCHAFT FUR DIGITALE AUTOMATION Apparatus for weight balancing an industrial robot
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 01 1982LARSSON, BERTILSTALVALL & LARSONN FORSALJININGS AB ASSIGNMENT OF ASSIGNORS INTEREST 0041410707 pdf
Dec 06 1982S & L Maskin Aktiebolag(assignment on the face of the patent)
Apr 23 1985STALVALL & LARSSON FORSALJNINGS AKTIEBOLAGS & L Maskin AktiebolagCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0044360789 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule