Solicitação de exame técnico
#4.1
07/07/1987
RPI 872
Application data
Number
PI8603938Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 07/07/1987. We update with every new RPI gazette, published weekly.
Applicants
F. L. Smidth Comércio e Industria Ltda
SP, BR
Inventors
C. T. (pessoa física)
DK
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/07/1987
RPI 872
#3.1
03/24/1987
RPI 857
#2.1
03/04/1987
RPI 854
#21.1
Patente extinta em 18/08/2001
07/22/2008
RPI 1959
#16.1
04/27/1993
RPI 1169
#13.1
01/26/1993
RPI 1156
#9.1
09/01/1992
RPI 1135
#6.1
11/26/1991
RPI 1095
06/11/1991
RPI 1071
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.