CA671428A - Impact-operable electric alarm switch devices - Google Patents

Impact-operable electric alarm switch devices

Info

Publication number
CA671428A
CA671428A CA671428A CA671428DA CA671428A CA 671428 A CA671428 A CA 671428A CA 671428 A CA671428 A CA 671428A CA 671428D A CA671428D A CA 671428DA CA 671428 A CA671428 A CA 671428A
Authority
CA
Canada
Prior art keywords
impact
switch devices
alarm switch
electric alarm
operable electric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA671428A
Inventor
S. Hall Harvey
J. Everitt Michael
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heraeus Noblelight Analytics Ltd
Original Assignee
Cathodeon Ltd
Publication date
Application granted granted Critical
Publication of CA671428A publication Critical patent/CA671428A/en
Expired legal-status Critical Current

Links

CA671428A Impact-operable electric alarm switch devices Expired CA671428A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA671428T

Publications (1)

Publication Number Publication Date
CA671428A true CA671428A (en) 1963-10-01

Family

ID=35971785

Family Applications (1)

Application Number Title Priority Date Filing Date
CA671428A Expired CA671428A (en) Impact-operable electric alarm switch devices

Country Status (1)

Country Link
CA (1) CA671428A (en)

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