Concessão da patente
#16.1
11/29/1983
RPI 684
The letters patent expired on 05/31/1994: 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
Inventors
E. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
#13.1
09/27/1983
RPI 675
#9.1
05/10/1983
RPI 655
#15.11
11/23/1982
RPI 631
#6.1
09/28/1982
RPI 623
02/09/1982
RPI 590
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
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