TREA

Plastic thermal barrier for use in constructing thermally insulated windows, doors, frames and the like

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Information

  • Patent Grant
  • D242625
  • Patent Number
    D242,625
  • Date Filed
    Tuesday, May 27, 1975
    49 years ago
  • Date Issued
    Tuesday, December 7, 1976
    48 years ago
  • US Classifications
    Field of Search
    • US
    • D13 6
    • D13 1 R
    • D13 1 M
    • D13 1 H
    • D13 DIG 2
    • 052 729
    • 052 738
    • 052 739
    • 052 695
    • 052 702
    • 052 289
    • 052 403
    • 049 303
    • 049 486
    • 049 475
    • 049 483
    • 049 DIG 1
    • 049 DIG 2
    • 049 404
    • 049 155
    • 029 155 R
    • 029 155 C
    • 029 150
  • International Classifications
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a plastic thermal barrier for use in constructing thermally insulated windows, doors, frames and the like, substantially as shown and described.
US Referenced Citations (5)
Number Name Date Kind
3216538 Miller Nov 1965
3267631 Hammitt Aug 1966
3282016 Dennery Nov 1966
3327438 Cooper Jun 1967
3566561 Tozer Mar 1971