Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD316020 S
Publication typeGrant
Application numberUS 07/192,897
Publication dateApr 9, 1991
Filing dateMay 12, 1988
Priority dateDec 22, 1987
Publication number07192897, 192897, US D316020 S, US D316020S, US-S-D316020, USD316020 S, USD316020S
InventorsFusao Fushiya, Takashi Yamazaki, Mikio Saito
Original AssigneeMakita Electric Works, Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable electric hammer drill
US D316020 S
Abstract  available in
Previous page
Next page
  1. The ornamental design for portable electric hammer drill, as shown.

FIG. 1 is a top, front and right side perspective view of portable electric hammer drill showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a front elevational view thereof.

Non-Patent Citations
1Bosch Hammer Breakers Catalog, 5/1970, p. 3, rotary hammer #201 (catalog in D8 boxes).
2Kango Electric Hammers catalog, 10/1985, model #422 (Catalog in D8 boxes).
3Red Head Philips anchors brochure, 10/1975, one page, model #747, far right (brochure in D8/69).
4Skil Roto-set Hammers catalog, 5/1973, p. 6, top item, model No. 707, (catalog in D8 boxes).
U.S. ClassificationD08/61