Card – picture – or sign exhibiting – Calendars
Patent
1976-04-08
1977-10-25
Mancene, Louis G.
Card, picture, or sign exhibiting
Calendars
G09D 300
Patent
active
040550095
ABSTRACT:
A breeding chart for dairy cows includes a housing, a calendar with three columns movably supported in the housing, a main indicator line marked on the housing and extends across the three columns, and a magnet representing a particular cow carried by the calendar in the first column at two day increments to the main indicator line, for indicating the initiation of a breeding cycle. The magnet is carried by the calendar in the second column at two day increments to the main indicator line for indicating checking time for breeding conception of the breeding cycle. The magnet is carried by the calendar in the third column at two day increments to the main indicator line for indicating checking time for starting a drying portion of a breeding cycle.
REFERENCES:
patent: 1267935 (1918-05-01), Townsend
patent: 2980325 (1961-04-01), Pisarra
patent: 3406474 (1968-10-01), Bates
Contreras Wenceslao J.
Greb Kenneth W.
Mancene Louis G.
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