16.3
08/21/1984
RPI 722
The letters patent expired on 05/02/1995: 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: 08/21/1984. We update with every new RPI gazette, published weekly.
Applicants
Castolim S.A.,
Inventors
A. D. (pessoa física)
S. W. (pessoa física)
S. H. (pessoa física)
IPC Classification
Priority claims
CH
3694/78 · 04/06/1978
CH
79/00050 · 04/02/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
08/21/1984
RPI 722
#16.1
05/29/1984
RPI 710
#13.1
04/10/1984
RPI 703
#9.1
12/13/1983
RPI 686
#4.1
04/27/1982
RPI 601
#21.1
05/02/1995
RPI 1274
Same category
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