Cessão de direito de exploração
#22.1
06/24/1986
RPI 818
The letters patent expired on 12/07/1993: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
S. Y. (pessoa física)
SP, BR
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
06/24/1986
RPI 818
#16.1
11/29/1983
RPI 684
#13.1
08/02/1983
RPI 667
#9.1
03/29/1983
RPI 649
#6.1
08/31/1982
RPI 619
#4.1
02/16/1982
RPI 591
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B67D 5/58.
03/27/2018
RPI 2464
#21.1
12/07/1993
RPI 1201
Same category
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