TREA

Building door unit

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Information

  • Patent Grant
  • D288718
  • Patent Number
    D288,718
  • Date Filed
    Friday, September 21, 1984
    40 years ago
  • Date Issued
    Tuesday, March 10, 1987
    37 years ago
  • US Classifications
    Field of Search
    • US
    • 052 309
    • 052 455
    • 052 382
    • 052 19
    • 161 39
    • 161 41
    • 161 42
    • 161 47
    • 161 501
    • 161 401
    • D25 48
    • D25 49
    • D25 52
    • D25 58
    • D25 59
    • D25 60
    • D25 61
    • D25 80
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a building door unit, substantially as shown and described.
US Referenced Citations (6)
Number Name Date Kind
2889586 Akerberg Jun 1959
3054481 Johnson et al. Sep 1962
3263379 Cisco Aug 1966
3408779 Allen et al. Nov 1968
4080769 Borghi Mar 1978
4532915 deRham Aug 1985