Pedido de patente depositado
#2.1
07/11/1989
RPI 977
Application data
Number
PI8902532Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 07/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Sulzer Metco (US) Inc.
US
T. C. (pessoa física)
US
Inventors
M. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/11/1989
RPI 977
#21.1
Patente extinta em 02/06/2009
12/26/2012
RPI 2190
#25.1
Transferido de: The Perkin-Elmer Corporation
11/13/2001
RPI 1610
#16.1
02/23/1999
RPI 1468
#15.11
Alterada Classificação Int. Cl. 5 C04B 35/36
10/06/1998
RPI 1450
#9.1
10/06/1998
RPI 1450
#6.1
09/30/1997
RPI 1400
#5.1
03/24/1992
RPI 1112
#4.1
11/19/1991
RPI 1094
#3.1
01/23/1990
RPI 1003
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.