Cessão de direito de exploração
#22.1
01/14/1986
RPI 795
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: 01/14/1986. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
01/14/1986
RPI 795
#16.1
12/27/1983
RPI 688
08/23/1983
RPI 670
06/14/1983
RPI 660
#12.1
02/02/1982
RPI 589
#21.1
07/20/1993
RPI 1181
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Same category
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