PTO Wrapper PDF
Dossier Espace Google
Patent
   D325502
Priority
Oct 12 1988
Filed
Apr 12 1989
Issued
Apr 21 1992
Expiry
Apr 21 2006
Inventors
Rahm, Erik…
Assg.orig
Atlas Copc…
Assg.curr
ATLAS COPC…
Entity
unknown
Referenced by
11
References
9
Maint.:
n/a
The ornamental design for a power screw driver, as shown and described.

FIG. 1 is a front elevational view of a power screw driver showing our new design, the rear elevational view being a mirror image;

FIG. 2 is a left side elevational view the right side elevational view being a mirror image;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Rahm, Erik R., Westerberg, Sven P. J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D330496, Oct 11 1990 Ingersoll-Rand Company Pneumatic grinder
D338144, Oct 11 1990 Ingersoll-Rand Company Angled pneumatic grinder
D339045, Oct 19 1990 Ingersoll-Rand Company Pneumatic grinder
D340848, Jan 21 1992 Combined cordless screwdriver and charging stand
D341531, Aug 28 1991 Matsushita Electric Industrial Co., Ltd. Electric screwdriver
D343344, Apr 06 1992 Cooper Brands, Inc Tool handle
D379058, Mar 02 1995 Vargus Ltd. Burring tool handle
D459176, Apr 30 2001 S-B Power Tool Company Hand-held rotary tool
D477510, Aug 28 2002 S-B Power Tool Corporation Electric powered rotary hand tool
D528385, Nov 19 2004 Black & Decker Inc Handheld cordless screwdriver
D740640, Jan 07 2014 Screwdriver handle
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
D293073, Feb 25 1983 Nitto Kohki Co., Ltd. Multi-needle type chisel
D295601, Jun 12 1985 S-B Power Tool Company Cordless screwdriver
D296654, Dec 12 1985 S-B Power Tool Company Combined cordless screwdriver and charging stand
D297104, Dec 12 1985 S-B Power Tool Company Cordless screwdriver
D303205, Feb 20 1987 Black & Decker Inc.; BLACK & DECKER INC , NEWARK, DELAWARE, U S A A CORP OF DE Battery-operated screwdriver or similar article
D304543, Sep 12 1986 Black & Decker Inc. Battery-operated screwdriver or similar article
D305093, May 27 1986 Ryobi Ltd. Portable electric driver
D305975, Aug 21 1987 INTERNATIONAL CONSUMER BRANDS, INC Cordless screwdriver
D307958, Jul 02 1984 Desoldering tool or the like
ASSIGNMENT RECORDS    Assignment records on the USPTO
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 12 1989Atlas Copco Aktiebolag(assignment on the face of the patent)
May 29 1989RAHM, ERIK R ATLAS COPCO AKTIEBOLAG, A CORP OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0051100010 pdf
May 29 1989WESTERBERG, SVEN P J ATLAS COPCO AKTIEBOLAG, A CORP OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0051100010 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule