Publicação do pedido de patente
#3.1
10/31/1989
RPI 993
Application data
Number
PI8901163Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
V. M. (pessoa física)
US
IPC Classification
Priority claims
US
181.119 · 03/17/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/31/1989
RPI 993
#2.1
05/02/1989
RPI 967
#21.1
Patente extinta em 13/03/2009
05/21/2013
RPI 2211
#16.1
08/26/1997
RPI 1395
#9.1
11/05/1996
RPI 1353
#6.1
03/19/1996
RPI 1320
#4.1
03/05/1991
RPI 1057
From the same holder
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