Static structures (e.g. – buildings) – Machine or implement
Patent
1992-04-13
1994-03-08
Friedman, Carl D.
Static structures (e.g., buildings)
Machine or implement
52DIG1, 33410, 33518, E04G 2120
Patent
active
052917185
ABSTRACT:
A masonry tool is provided for a concrete block wall which consists of a mechanism for positioning a side end of a first concrete block, with mortar applied thereto, next to a side end of a second concrete block on the wall when being built, so as to form front and rear mortar joints therebetween. A structure on the positioning mechanism is for preventing the mortar from entering into a vertical open space in a third concrete block located below the front and rear mortar joints.
REFERENCES:
patent: 1163210 (1915-12-01), Bush
patent: 2543716 (1951-02-01), Carini
patent: 2940298 (1960-06-01), Joseph
patent: 3148453 (1964-09-01), Carlo
patent: 3212191 (1965-10-01), Lessard
patent: 3397458 (1968-08-01), Wicklund
patent: 4408398 (1983-10-01), Glaze
Friedman Carl D.
Kroll Michael I.
Yip Winnie
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