Power-operated acoustic means

  • Inventors:
  • Assignees: Falcon Safety Prod
  • Publication Date: May 09, 1973
  • Publication Number: GB-1316180-A


1316180 Warning horns FALCON SAFETY PRODUCTS Inc 26 Nov 1970 [20 March 1970] 49932/72 Divided out of 1316178 Heading G5J The subject matter of this Specification is identical to that described in Specification 1,316,178 but the claims are concerned with the provision of secondary chambers peripherally disposed around the trumpet portion, and a plurality of stiffening web members therein.




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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    GB-2272987-AJune 01, 1994John Alfred WorthingtonGas driven alarm
    GB-2272987-BOctober 23, 1996John Alfred WorthingtonAlarm systems