Solicitação de exame técnico
#4.1
04/04/1989
RPI 963
Application data
Number
PI8700010Type
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: 04/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Praxair Technology, Inc.
US
Union Carbide Industrial Gases Technology Corporation
US
Inventors
I. M. (pessoa física)
US
J. F. (pessoa física)
US
L. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/04/1989
RPI 963
#3.1
01/12/1988
RPI 899
#2.1
05/12/1987
RPI 864
#21.1
Patente extinta em 05/01/2002
07/29/2008
RPI 1960
12/05/1995
RPI 1305
11/28/1995
RPI 1304
#16.1
10/25/1994
RPI 1247
#13.1
06/28/1994
RPI 1230
#9.1
03/15/1994
RPI 1215
04/27/1993
RPI 1169
04/20/1993
RPI 1168
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.