CA280612A - Safety envelope - Google Patents

Safety envelope

Info

Publication number
CA280612A
CA280612A CA280612A CA280612DA CA280612A CA 280612 A CA280612 A CA 280612A CA 280612 A CA280612 A CA 280612A CA 280612D A CA280612D A CA 280612DA CA 280612 A CA280612 A CA 280612A
Authority
CA
Canada
Prior art keywords
safety envelope
envelope
safety
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
CA280612A
Other languages
French (fr)
Inventor
Hilmer Elfverson John
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.)
AXEL VALDEMAR HOLM
Original Assignee
AXEL VALDEMAR HOLM
Publication date
Application granted granted Critical
Publication of CA280612A publication Critical patent/CA280612A/en
Expired legal-status Critical Current

Links

CA280612A Safety envelope Expired CA280612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA280612T

Publications (1)

Publication Number Publication Date
CA280612A true CA280612A (en) 1928-05-29

Family

ID=35213704

Family Applications (1)

Application Number Title Priority Date Filing Date
CA280612A Expired CA280612A (en) Safety envelope

Country Status (1)

Country Link
CA (1) CA280612A (en)

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