Portable electric screw driver

Information

  • Patent Grant
  • D301300
  • Patent Number
    D301,300
  • Date Filed
    Monday, December 21, 1987
    37 years ago
  • Date Issued
    Tuesday, May 30, 1989
    35 years ago
  • US Classifications
    Field of Search
    • US
    • D08 61
    • D08 68
    • D08 69
    • 081 54
    • 081 5711
    • 081 5714
    • 081 429
    • 173 163
    • 173 170
    • 408 124
    • 408 125
    • 408 127
    • 310 50
    • Term of Grant
      14Years
Abstract
Description
Claims
  • The ornamental design for a portable electric screw driver, as shown.
US Referenced Citations (4)
Number Name Date Kind
D118854 Forss Feb 1940
D243652 Zurwelle et al. Mar 1977
D243742 House et al. Mar 1977
2479750 Lewandowski Aug 1949
Foreign Referenced Citations (4)
Number Date Country
53-7064 Jul 1978 JPX
56-0126 Sep 1981 JPX
57-5419 Mar 1983 JPX
59-6321 Mar 1983 JPX
Non-Patent Literature Citations (2)
Entry
Rockwell Professional Power Tools Catalog, p. 61 "D" Handle Screwdriver 7572.
Catalogue printed by Kress-Electrik GmbH+Co., 1987.