Concessão da patente
#16.1
12/30/1986
RPI 845
The letters patent expired on 09/21/1993: 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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
CESA SA
Inventors
P. P. (pessoa física)
P. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
07/22/1986
RPI 822
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05/24/1983
RPI 657
#9.1
02/08/1983
RPI 642
04/27/1982
RPI 601
#6.1
03/30/1982
RPI 597
#21.1
09/21/1993
RPI 1190
Same category
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