15.15
10/17/1989
RPI 991
Application data
Number
PI8704250Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Construtora Norberto Odebrecht S/A
BA, BR
Tenenge Técnica Nacional de Engenharia S.A.
SP, BR
Tenenge Técnica Nacional de Engenharia S/A
SP, BR
Inventors
P. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/17/1989
RPI 991
#3.1
02/21/1989
RPI 957
#2.1
11/17/1987
RPI 891
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: E04G 7/06; E04G 3/10.
03/27/2018
RPI 2464
#21.1
Patente extinta em 18/08/2002
07/29/2008
RPI 1960
#25.1
Transferido de: Tenenge Técnica Nacional de Engenharia S.A.
04/17/2001
RPI 1580
#25.11
Alterado de: Tenenge Técnica Nacional de Engenharia Ltda.@ Ref. RPI 1573 de 28/02/2001. Cód.25.4 Item (despacho)
03/27/2001
RPI 1577
#25.4
Alterado de Teneng Técnica Nacional de Engenharia Ltda.
02/28/2001
RPI 1573
#16.1
09/29/1992
RPI 1139
03/24/1992
RPI 1112
12/17/1991
RPI 1098
#13.1
09/03/1991
RPI 1083
05/21/1991
RPI 1068
#15.3
04/23/1991
RPI 1064
#9.1
01/02/1991
RPI 1048
#4.1
01/16/1990
RPI 1002
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.