TREA

Window lock

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Information

  • Patent Grant
  • D316509
  • Patent Number
    D316,509
  • Date Filed
    Tuesday, January 17, 1989
    36 years ago
  • Date Issued
    Tuesday, April 30, 1991
    33 years ago
  • US Classifications
    Field of Search
    • US
    • D08 330-331
    • D08 336
    • D08 337
    • D08 338
    • D08 339
    • 070 89-90
    • 292 111
    • 292 240-241
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a window lock, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D209901 Fredricksen Jan 1968
D211452 Petrell Jun 1968
D295019 Bucson Apr 1988
D296982 White et al. Aug 1988
4095829 Van Klompenburg Jun 1978
Non-Patent Literature Citations (3)
Entry
Ironmonger Modern Hardware brochure, 1973, No. 8200, Sash Fastener.
Copy of p. 15 of Truth Incorporated literature showing a Sash Lock in existence prior to Jan. 17, 1988.
Copy of p. 19 of Truth Incorporated literature showing a Cam Lock in existence prior to Jan. 17, 1988.