Concessão da patente
#16.1
06/25/1985
RPI 766
The letters patent expired on 05/16/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.
Applicants
NAPHTACHIMIE SA
Inventors
D. B. (pessoa física)
D. D. (pessoa física)
M. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/25/1985
RPI 766
#13.1
03/26/1985
RPI 753
#9.1
11/13/1984
RPI 734
#6.1
01/24/1984
RPI 692
12/07/1982
RPI 633
05/25/1982
RPI 605
#4.1
03/09/1982
RPI 594
#21.1
05/16/1995
RPI 1276
Same category
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