Publicação do pedido de patente
#3.1
03/21/1989
RPI 961
Application data
Number
PI8804279Type
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: 03/21/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
P. B. (pessoa física)
US
IPC Classification
Priority claims
US
088.260 · 08/24/1987
US
206.025 · 06/17/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/21/1989
RPI 961
#2.1
01/10/1989
RPI 951
#21.1
Patente extinta em 23/08/2003
09/02/2008
RPI 1965
#16.1
04/30/1996
RPI 1326
#9.1
09/19/1995
RPI 1294
#6.1
02/14/1995
RPI 1263
#4.1
05/28/1991
RPI 1069
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