1982-03-08
1983-10-25
Johnson, Richard J.
Earth working
Lawn edger
172380, 30315, A01B 306, A01B 112
Patent
active
044113200
ABSTRACT:
A flat blade is mounted on a handle and has upper and lower edges. The lower edge consists of a pair of cutting edges leading upwardly from a central point at an angle to each other and the upper edge consists of a pair of stepping edges leading downwardly from each other from a central point. The stepping edges are substantially parallel to the opposite cutting edge. The cutting edges have scallop-type serrations formed by defining edges extending substantially at ninety degrees to each other.
REFERENCES:
patent: 64442 (1867-05-01), Nelson
patent: 111240 (1871-01-01), Parkman
patent: 808168 (1905-12-01), Reed
patent: 836541 (1906-11-01), Spriggs
patent: 1568484 (1926-01-01), Tolman
patent: 1885089 (1932-10-01), Dukes
patent: 2343616 (1944-03-01), Kay
patent: 2795045 (1957-06-01), Taylor
patent: 3015930 (1962-01-01), Campbell
patent: 4208793 (1980-06-01), Sinnott
Hass Phyllis W.
Johnson Richard J.
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