Concessão da patente
#16.1
10/25/1983
RPI 679
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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
IND CADERNOS SAO LUIZ SA
Inventors
A. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1983
RPI 679
#13.1
05/24/1983
RPI 657
#9.1
01/11/1983
RPI 638
#7.1
04/13/1982
RPI 599
#21.1
12/07/1993
RPI 1201
Same category
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