Cessão de direito de exploração
#22.1
06/04/1985
RPI 763
The letters patent expired on 06/21/1994: 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: 06/04/1985. We update with every new RPI gazette, published weekly.
Applicants
M. L. (pessoa física)
Inventors
M. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
06/04/1985
RPI 763
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03/29/1983
RPI 649
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01/11/1983
RPI 638
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08/24/1982
RPI 618
05/18/1982
RPI 604
#6.1
03/23/1982
RPI 596
#21.1
06/21/1994
RPI 1229
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Same category
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