CA207291A - Ressort de surete - Google Patents

Ressort de surete

Info

Publication number
CA207291A
CA207291A CA207291A CA207291DA CA207291A CA 207291 A CA207291 A CA 207291A CA 207291 A CA207291 A CA 207291A CA 207291D A CA207291D A CA 207291DA CA 207291 A CA207291 A CA 207291A
Authority
CA
Canada
Prior art keywords
safety spring
safety
spring
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
CA207291A
Other languages
English (en)
Inventor
Charles Morris Pratt
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.)
CHARLES WHEELER COOPER
Original Assignee
CHARLES WHEELER COOPER
Publication date
Application granted granted Critical
Publication of CA207291A publication Critical patent/CA207291A/fr
Expired legal-status Critical Current

Links

CA207291A Ressort de surete Expired CA207291A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA207291T

Publications (1)

Publication Number Publication Date
CA207291A true CA207291A (fr) 1921-01-04

Family

ID=35101070

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207291A Expired CA207291A (fr) Ressort de surete

Country Status (1)

Country Link
CA (1) CA207291A (fr)

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