Solicitação de exame técnico
#4.1
11/12/1985
RPI 786
Application data
Number
PI8406160Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 11/12/1985. We update with every new RPI gazette, published weekly.
Applicants
Porcelana Schmidt S/A
PR, BR
Inventors
W. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/12/1985
RPI 786
#3.2
05/21/1985
RPI 761
#2.1
02/26/1985
RPI 749
#21.1
Patente extinta em 27/11/99
07/08/2008
RPI 1957
#16.1
11/27/1990
RPI 1043
#13.1
07/24/1990
RPI 1025
#9.1
03/13/1990
RPI 1009
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