Pedido de licença compulsória
#20.1
05/31/1983
RPI 658
The letters patent expired on 02/22/1994: 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: 05/31/1983. We update with every new RPI gazette, published weekly.
Applicants
P. M. (pessoa física)
Inventors
P. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
05/31/1983
RPI 658
#15.11
A classificação anterior era: A47B 88/00
07/25/2017
RPI 2429
#21.1
02/22/1994
RPI 1212
Same category
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