Cessão de direito de exploração
#22.1
05/27/1986
RPI 814
The letters patent expired on 07/20/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants
E. U. (pessoa física)
Inventors
M. P. (pessoa física)
M. J. (pessoa física)
P. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
05/27/1986
RPI 814
#16.1
01/25/1983
RPI 640
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11/30/1982
RPI 632
#9.1
07/13/1982
RPI 612
02/02/1982
RPI 589
#6.1
12/01/1981
RPI 580
#21.1
07/20/1993
RPI 1181
11/27/1990
RPI 1043
#18.2
10/23/1990
RPI 1038
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Same category
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