TREA

Ultrasonic intrusion alarm

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Information

  • Patent Grant
  • D242779
  • Patent Number
    D242,779
  • Date Filed
    Thursday, July 10, 1975
    49 years ago
  • Date Issued
    Tuesday, December 21, 1976
    48 years ago
  • US Classifications
    Field of Search
    • US
    • D10 106
    • D10 116
    • D10 121
    • D26 5 R
    • 340 227 R
    • 340 2271
    • 340 228 R
    • 340 2281
    • 340 237 R
    • 340 237 S
    • 340 258 R
    • 340 274 R
    • 340 276 R
    • 340 384 R
    • 340 384 E
  • International Classifications
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for the ultrasonic intrusion alarm, as shown and described.
US Referenced Citations (3)
Number Name Date Kind
2870434 Schulze Jan 1959
3135950 Finkle Jun 1964
D233931 Goble et al. Dec 1974