CA170487A - Echelle - Google Patents

Echelle

Info

Publication number
CA170487A
CA170487A CA000170487A CA170487DA CA170487A CA 170487 A CA170487 A CA 170487A CA 000170487 A CA000170487 A CA 000170487A CA 170487D A CA170487D A CA 170487DA CA 170487 A CA170487 A CA 170487A
Authority
CA
Canada
Prior art keywords
ladder
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
CA000170487A
Other languages
English (en)
Inventor
Lewis Craven Ord
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.)
ALLEGHENY FORGING Co
Original Assignee
ALLEGHENY FORGING 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
Application filed by ALLEGHENY FORGING Co filed Critical ALLEGHENY FORGING Co
Application granted granted Critical
Publication of CA170487A publication Critical patent/CA170487A/fr
Expired legal-status Critical Current

Links

CA000170487A 1915-08-19 1915-08-19 Echelle Expired CA170487A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA170487T 1915-08-19

Publications (1)

Publication Number Publication Date
CA170487A true CA170487A (fr) 1916-07-04

Family

ID=45290149

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000170487A Expired CA170487A (fr) 1915-08-19 1915-08-19 Echelle

Country Status (1)

Country Link
CA (1) CA170487A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232760A (en) * 1978-04-17 1980-11-11 Buffalo Brake Beam Company Ladder assembly and method of making same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232760A (en) * 1978-04-17 1980-11-11 Buffalo Brake Beam Company Ladder assembly and method of making same

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