Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
Application data
Number
PI8405875Type
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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
M. Dedini S/A Metalúrgica
SP, BR
Inventors
O. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/21/1988
RPI 922
#15.6
12/08/1987
RPI 894
09/22/1987
RPI 883
#3.1
06/17/1986
RPI 817
12/17/1985
RPI 791
#2.1
02/05/1985
RPI 746
#21.1
Patente extinta em 13/11/99
07/08/2008
RPI 1957
#16.1
07/27/1993
RPI 1182
#13.1
04/13/1993
RPI 1167
#9.1
11/24/1992
RPI 1147
#6.1
09/03/1991
RPI 1083
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.