Carta-patente expirada
#21.1
07/15/1986
RPI 821
The letters patent expired on 07/15/1986: 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: 07/15/1986. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
07/15/1986
RPI 821
#16.1
08/31/1982
RPI 619
#13.1
05/11/1982
RPI 603
02/02/1982
RPI 589
From the same holder
Same category
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