Pedido de patente depositado
#2.1
07/11/1989
RPI 977
Application data
Number
PI8902543Type
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: 07/11/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
E. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/11/1989
RPI 977
#21.1
Patente extinta em 02/06/2004
12/22/2009
RPI 2033
#16.1
07/30/1996
RPI 1339
#9.1
10/17/1995
RPI 1298
#6.1
05/09/1995
RPI 1275
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11/27/1990
RPI 1043
#3.1
03/01/1990
RPI 1007
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