CA477239A - Spring sash balances - Google Patents

Spring sash balances

Info

Publication number
CA477239A
CA477239A CA477239A CA477239DA CA477239A CA 477239 A CA477239 A CA 477239A CA 477239 A CA477239 A CA 477239A CA 477239D A CA477239D A CA 477239DA CA 477239 A CA477239 A CA 477239A
Authority
CA
Canada
Prior art keywords
sash balances
spring sash
spring
balances
sash
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
CA477239A
Other languages
French (fr)
Inventor
F. Mantz Aloysius
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.)
DUPLEX Inc
Original Assignee
DUPLEX Inc
Publication date
Application granted granted Critical
Publication of CA477239A publication Critical patent/CA477239A/en
Expired legal-status Critical Current

Links

CA477239A Spring sash balances Expired CA477239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA477239T

Publications (1)

Publication Number Publication Date
CA477239A true CA477239A (en) 1951-09-25

Family

ID=35616882

Family Applications (1)

Application Number Title Priority Date Filing Date
CA477239A Expired CA477239A (en) Spring sash balances

Country Status (1)

Country Link
CA (1) CA477239A (en)

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