TREA

Ventilating heater

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Information

  • Patent Grant
  • D314425
  • Patent Number
    D314,425
  • Date Filed
    Tuesday, September 19, 1989
    35 years ago
  • Date Issued
    Tuesday, February 5, 1991
    33 years ago
  • US Classifications
    Field of Search
    • US
    • D23 335
    • D23 383
    • D23 332
    • D23 382
    • 219 366
    • 219 367
    • 219 368
    • 219 369
    • 219 370
    • 219 373
    • 415 119
    • 415 1821
    • 415 220
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a ventilating heater, as shown and described.
US Referenced Citations (3)
Number Name Date Kind
2158605 Wiegand May 1939
2456881 Leather Dec 1948
3976393 Larson Aug 1976
Foreign Referenced Citations (1)
Number Date Country
212297 Aug 1984 DDX
Non-Patent Literature Citations (1)
Entry
Grainger's Spring '86 Cat., p. 1353, Hog House Exhaust Fan, outside view, top left side of page.