Solicitação de exame técnico
#4.1
10/24/1989
RPI 992
Application data
Number
PI8605986Type
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Inland Steel Company
US
Inventors
D. J. (pessoa física)
US
H. P. (pessoa física)
US
J. K. (pessoa física)
US
L. F. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/24/1989
RPI 992
#3.1
09/15/1987
RPI 882
#2.1
04/22/1987
RPI 861
#21.1
Patente extinta em 05/12/2001
07/22/2008
RPI 1959
#16.1
04/26/1994
RPI 1221
#13.1
02/08/1994
RPI 1210
#9.1
08/24/1993
RPI 1186
#6.1
01/19/1993
RPI 1155
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.