Cessão de direito de exploração
#22.1
06/04/1985
RPI 763
The letters patent expired on 05/31/1994: 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
B. D. (pessoa física)
R. H. (pessoa física)
Inventors
B. D. (pessoa física)
R. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
06/04/1985
RPI 763
#16.1
02/22/1983
RPI 644
#13.1
09/21/1982
RPI 622
#9.1
06/01/1982
RPI 606
#21.1
05/31/1994
RPI 1226
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