Window sky scraper

Details Window sky scraper Window sky scraper

2005-02-08

2005-02-08

Graham, Gary K. (Department: 1744)

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

C015S103000, C015S250110, C015S250290, C015S250240

Reexamination Certificate

active

06851156

ABSTRACT:
An automatic window cleaning apparatus for use with windows on buildings is disclosed. The apparatus would be an electronic system for automatically cleaning the exterior side of windows in buildings, preferably skyscrapers, which would be operated through a control panel located inside a room within the building. Each system would be specifically designed for only one window.

REFERENCES:
patent: 1197763 (1916-09-01), Plotnitzky
patent: 1766550 (1930-06-01), Schubert
patent: 1922078 (1933-08-01), Curry
patent: 2693609 (1954-11-01), Briceno
patent: 3354494 (1967-11-01), Rischman
patent: 3378875 (1968-04-01), Kern
patent: 3461476 (1969-08-01), North
patent: 4306328 (1981-12-01), Layton
patent: 5323508 (1994-06-01), Sheldrake

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