Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Reexamination Certificate
2006-01-18
2009-06-30
Singh, Sunil (Department: 3672)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
C030S170000, C081S045000
Reexamination Certificate
active
07552976
ABSTRACT:
A roofing material removal machine and method for removing roofing materials wherein the machine travels along guide rails mounted on a roof surface and roofing material lifting elements carried by the machine are operated to lift the roofing materials as the machine moves along the guide rails after which the removed materials are conveyed to a collection receptacle. A remote control device may be used to control power to and movement of the machine along the guide rails.
REFERENCES:
patent: 1415949 (1922-05-01), Perelman
patent: 2749103 (1956-06-01), Clemenzi
patent: 3223451 (1965-12-01), Orr
patent: 3740099 (1973-06-01), Lenzner
patent: 4232906 (1980-11-01), Torbesson
patent: 4269450 (1981-05-01), Welborn
patent: 4366991 (1983-01-01), Hilshorst
patent: 4477989 (1984-10-01), Vachon
patent: 4673219 (1987-06-01), Perciful
patent: 5205103 (1993-04-01), Burton
patent: 5218766 (1993-06-01), Himebaugh
patent: 2004/0083679 (2004-05-01), Shinn et al.
Dowell & Dowell PC
Singh Sunil
LandOfFree
Automated roofing material removal machine and method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Automated roofing material removal machine and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automated roofing material removal machine and method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4094238