CA1007169A - Acoustical louver - Google Patents

Acoustical louver

Info

Publication number
CA1007169A
CA1007169A CA251,862A CA251862A CA1007169A CA 1007169 A CA1007169 A CA 1007169A CA 251862 A CA251862 A CA 251862A CA 1007169 A CA1007169 A CA 1007169A
Authority
CA
Canada
Prior art keywords
louver
acoustical
acoustical louver
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
CA251,862A
Inventor
Robert D. Carlson
Jack H. Kraina
Robert C. Wegner
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US00328947A external-priority patent/US3820629A/en
Application filed by Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Priority to CA251,862A priority Critical patent/CA1007169A/en
Application granted granted Critical
Publication of CA1007169A publication Critical patent/CA1007169A/en
Expired legal-status Critical Current

Links

CA251,862A 1973-02-02 1976-05-05 Acoustical louver Expired CA1007169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA251,862A CA1007169A (en) 1973-02-02 1976-05-05 Acoustical louver

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US00328947A US3820629A (en) 1973-02-02 1973-02-02 Acoustical louver for earthmoving vehicles
CA189,354A CA1007168A (en) 1973-02-02 1974-01-02 Acoustical louver for earthmoving vehicles and method of installation
CA251,862A CA1007169A (en) 1973-02-02 1976-05-05 Acoustical louver

Publications (1)

Publication Number Publication Date
CA1007169A true CA1007169A (en) 1977-03-22

Family

ID=27163241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251,862A Expired CA1007169A (en) 1973-02-02 1976-05-05 Acoustical louver

Country Status (1)

Country Link
CA (1) CA1007169A (en)

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