Concessão da patente
#16.1
12/14/1982
RPI 634
The letters patent expired on 06/21/1994: 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: 12/14/1982. We update with every new RPI gazette, published weekly.
Applicants
B. L. (pessoa física)
Inventors
B. B. (pessoa física)
S. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/14/1982
RPI 634
#13.1
07/27/1982
RPI 614
#9.1
04/06/1982
RPI 598
#21.1
06/21/1994
RPI 1229
01/09/1990
RPI 1001
From the same holder
Same category
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