Laboratory heater

Information

  • Patent Grant
  • D304611
  • Patent Number
    D304,611
  • Date Filed
    Monday, March 30, 1987
    37 years ago
  • Date Issued
    Tuesday, November 14, 1989
    35 years ago
Abstract
Description
Claims
  • The ornamental design for a laboratory heater, as shown and described.
US Referenced Citations (8)
Number Name Date Kind
D275226 Nishigaki Aug 1984
1865472 Lamstein Jul 1932
2932718 Marsters Apr 1960
3109084 Walsh Oct 1963
3607134 McIntyre Sep 1971
3766360 Eddleman et al. Oct 1973
3965808 Chomette Jun 1976
4249069 Andersen Feb 1981