CA638588A - Coil spring harrow - Google Patents

Coil spring harrow

Info

Publication number
CA638588A
CA638588A CA638588A CA638588DA CA638588A CA 638588 A CA638588 A CA 638588A CA 638588 A CA638588 A CA 638588A CA 638588D A CA638588D A CA 638588DA CA 638588 A CA638588 A CA 638588A
Authority
CA
Canada
Prior art keywords
coil spring
spring harrow
harrow
coil
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
CA638588A
Inventor
A. Johnson Robert
J. Birkenbach Eugene
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.)
Navistar Inc
Original Assignee
International Harverster Corp
Publication date
Application granted granted Critical
Publication of CA638588A publication Critical patent/CA638588A/en
Expired legal-status Critical Current

Links

CA638588A Coil spring harrow Expired CA638588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA638588T

Publications (1)

Publication Number Publication Date
CA638588A true CA638588A (en) 1962-03-20

Family

ID=35917099

Family Applications (1)

Application Number Title Priority Date Filing Date
CA638588A Expired CA638588A (en) Coil spring harrow

Country Status (1)

Country Link
CA (1) CA638588A (en)

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