CA832711A - Self-propelled device for cleaning the window and wall surfaces of a building structure - Google Patents

Self-propelled device for cleaning the window and wall surfaces of a building structure

Info

Publication number
CA832711A
CA832711A CA832711A CA832711DA CA832711A CA 832711 A CA832711 A CA 832711A CA 832711 A CA832711 A CA 832711A CA 832711D A CA832711D A CA 832711DA CA 832711 A CA832711 A CA 832711A
Authority
CA
Canada
Prior art keywords
window
cleaning
self
wall surfaces
building structure
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
CA832711A
Inventor
W. Hetman Frank
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.)
ALPANA ALUMINUM PRODUCTS
Original Assignee
ALPANA ALUMINUM PRODUCTS
Publication date
Application granted granted Critical
Publication of CA832711A publication Critical patent/CA832711A/en
Expired legal-status Critical Current

Links

CA832711A Self-propelled device for cleaning the window and wall surfaces of a building structure Expired CA832711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA832711T

Publications (1)

Publication Number Publication Date
CA832711A true CA832711A (en) 1970-01-27

Family

ID=36310171

Family Applications (1)

Application Number Title Priority Date Filing Date
CA832711A Expired CA832711A (en) Self-propelled device for cleaning the window and wall surfaces of a building structure

Country Status (1)

Country Link
CA (1) CA832711A (en)

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