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Laboratory heater
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Information
Patent Grant
D304611
References
Source
Patent Number
D304,611
Date Filed
Monday, March 30, 1987
38 years ago
Date Issued
Tuesday, November 14, 1989
36 years ago
Inventors
Lawrence W. Stalec
Original Assignees
LAB-LINE INSTRUMENTS, INC
Examiners
Gandy; James M.
Lichtenstein; Lisa
Agents
Emrich & Dithmar
US Classifications
D23 - Environmental heating and cooling
Field of Search
US
D23 330
D23 332
D23 335
D23 336
D23 337
D23 314
D23 317
219 385
219 386
219 521
Term of Grant
14Years
Information
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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