CA273564A - Indicateur de fumee - Google Patents

Indicateur de fumee

Info

Publication number
CA273564A
CA273564A CA273564A CA273564DA CA273564A CA 273564 A CA273564 A CA 273564A CA 273564 A CA273564 A CA 273564A CA 273564D A CA273564D A CA 273564DA CA 273564 A CA273564 A CA 273564A
Authority
CA
Canada
Prior art keywords
smoke indicator
smoke
indicator
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
CA273564A
Other languages
English (en)
Inventor
Sawford Frank
Frank Sawford, Jr.
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA273564A publication Critical patent/CA273564A/fr
Expired legal-status Critical Current

Links

CA273564A Indicateur de fumee Expired CA273564A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA273564T

Publications (1)

Publication Number Publication Date
CA273564A true CA273564A (fr) 1927-09-06

Family

ID=35203596

Family Applications (1)

Application Number Title Priority Date Filing Date
CA273564A Expired CA273564A (fr) Indicateur de fumee

Country Status (1)

Country Link
CA (1) CA273564A (fr)

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