Concessão da patente
#16.1
09/27/1983
RPI 675
The letters patent expired on 07/26/1994: 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: 09/27/1983. We update with every new RPI gazette, published weekly.
Applicants
B. L. (pessoa física)
Inventors
B. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1983
RPI 675
#13.1
05/24/1983
RPI 657
#6.1
06/29/1982
RPI 610
#4.1
02/02/1982
RPI 589
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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