Publicação do pedido de patente
#3.1
08/22/1989
RPI 983
Application data
Number
PI8806435Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Praxair Technology, Inc
US
U. C. (pessoa física)
US
Inventors
M. N. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/22/1989
RPI 983
#2.1
04/11/1989
RPI 964
#21.1
Patente extinta em 07/12/2003
09/02/2008
RPI 1965
#16.1
11/26/1996
RPI 1356
#13.1
07/02/1996
RPI 1335
#9.1
01/02/1996
RPI 1309
11/08/1994
RPI 1249
11/01/1994
RPI 1248
#4.1
09/10/1991
RPI 1084
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.