Cessão de direito de exploração
#22.1
06/18/1985
RPI 765
The letters patent expired on 07/27/1993: 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: 06/18/1985. We update with every new RPI gazette, published weekly.
Applicants
SEMT
Inventors
B. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
06/18/1985
RPI 765
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11/29/1983
RPI 684
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08/02/1983
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03/22/1983
RPI 648
06/15/1982
RPI 608
#6.1
03/16/1982
RPI 595
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10/20/1981
RPI 574
#21.1
07/27/1993
RPI 1182
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Same category
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