Protective helmet

Information

  • Patent Grant
  • D370308
  • Patent Number
    D370,308
  • Date Filed
    Monday, July 11, 1994
    30 years ago
  • Date Issued
    Tuesday, May 28, 1996
    28 years ago
Abstract
Description
Claims
  • The ornamental design for a protective helmet, as shown and described.
Priority Claims (1)
Number Date Country Kind
94-0045 Jan 1994 SEX
US Referenced Citations (6)
Number Name Date Kind
D218385 Bohner et al. Aug 1970
D234411 Zuppert Mar 1975
D240310 Sinclair et al. Jun 1976
D277425 Higginson Feb 1985
D299765 Lewis et al. Feb 1989
D300275 Sjogren et al. Mar 1989
Non-Patent Literature Citations (1)
Entry
Electrical Consultant, Mar.-Apr. 1978, p. 60. "Hat-Com Protective Headgear".