Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902408Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
I. S. (pessoa física)
US
Inventors
N. H. (pessoa física)
US
R. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 26/05/2004
12/22/2009
RPI 2033
#25.1
Transferido de: E.I. DuPont de Nemours and Company
05/30/2006
RPI 1847
#16.1
04/25/1995
RPI 1273
#13.1
01/03/1995
RPI 1257
#9.1
08/30/1994
RPI 1239
#4.1
02/19/1991
RPI 1055
#3.1
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.