Publicação do pedido de patente
#3.1
02/08/1989
RPI 955
Application data
Number
PI8803648Type
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: 02/08/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
J. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/08/1989
RPI 955
#2.1
12/27/1988
RPI 949
#21.1
Patente extinta em 21/07/2003
09/02/2008
RPI 1965
#16.1
10/31/1995
RPI 1300
#15.11
10/24/1995
RPI 1299
#9.1
03/28/1995
RPI 1269
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10/25/1994
RPI 1247
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06/25/1991
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