Cessão de direito de exploração
#22.1
05/27/1986
RPI 814
The letters patent expired on 11/03/1993: 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
R. I. (pessoa física)
Inventors
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
05/27/1986
RPI 814
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RPI 662
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01/12/1982
RPI 586
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11/03/1993
RPI 1196
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RPI 1144
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RPI 1142
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