Publicação do pedido de patente
#3.1
02/02/1988
RPI 902
Application data
Number
PI8701787Type
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: 02/02/1988. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Engineering Company
US
Inventors
G. M. (pessoa física)
US
G. S. (pessoa física)
US
L. S. (pessoa física)
US
W. T. (pessoa física)
US
W. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/02/1988
RPI 902
#2.1
07/28/1987
RPI 875
#21.1
Patente extinta em 14/04/2002
07/29/2008
RPI 1960
#16.1
06/27/1995
RPI 1282
#9.1
01/10/1995
RPI 1258
#6.1
04/05/1994
RPI 1218
#4.1
10/02/1990
RPI 1035
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.