Cessão de direito de exploração
#22.1
04/02/1985
RPI 754
The letters patent expired on 05/03/1994: 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: 04/02/1985. We update with every new RPI gazette, published weekly.
Applicants
NASCIMENTO E
Inventors
N. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
04/02/1985
RPI 754
#7.3
11/13/1984
RPI 734
#7.1
01/17/1984
RPI 691
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08/31/1982
RPI 619
#13.1
05/04/1982
RPI 602
#9.1
01/05/1982
RPI 585
#21.1
05/03/1994
RPI 1222
01/09/1990
RPI 1001
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Same category
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