Concessão da patente
#16.1
06/28/1983
RPI 662
The letters patent expired on 11/30/1993: 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: 06/28/1983. We update with every new RPI gazette, published weekly.
Applicants
BROWN & WILLIAMSON TOBACCO
Inventors
F. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1983
RPI 662
#13.1
03/15/1983
RPI 647
#9.1
10/26/1982
RPI 627
#6.1
12/29/1981
RPI 584
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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