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Petrocal Trademarks
PETROCAL
HYDRATED LIME USED IN THE MANUFACTURING OF LUBRICANTS, OIL ADDITIVES, AND GREASE APPLICATIONS
Registered
·
February 2, 1999
·
75633675
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PETROCAL INCORPORATED
Oil and petroleum exploration and oil field surveying and analysis
Abandoned
·
April 28, 2000
·
76035922
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PETROCALC
Petroleum engineering computer software
Registered
·
May 17, 2001
·
78064276
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PETROCALC
COMPUTER PROGRAMS AND USER MANUALS THEREFOR
Cancelled
·
January 30, 1984
·
73463181
·
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