Publicação do pedido de patente
#3.1
09/15/1987
RPI 882
Application data
Number
PI8605957Type
Filing
Publication
The patent was granted on 06/25/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/15/1987. We update with every new RPI gazette, published weekly.
Applicants
Baker Oil Tools, Inc.
US
Inventors
D. J. (pessoa física)
US
D. R. (pessoa física)
US
M. L. (pessoa física)
US
Y. K. (pessoa física)
US
IPC Classification
Priority claims
US
805.882 · 12/06/1985
US
806.030 · 12/06/1985
US
806.031 · 12/06/1985
US
811.093 · 12/19/1985
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