Concessão da patente
#16.1
02/26/1985
RPI 749
The letters patent expired on 12/07/1993: 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: 02/26/1985. We update with every new RPI gazette, published weekly.
Applicants
Elka Plásticos Ltda
SP, BR
Inventors
K. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/26/1985
RPI 749
10/30/1984
RPI 732
#12.2
06/19/1984
RPI 713
#9.2
02/21/1984
RPI 696
#4.1
06/21/1983
RPI 661
#3.1
11/03/1982
RPI 628
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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