Publicação do pedido de patente
#3.1
11/21/1989
RPI 996
Application data
Number
PI8901621Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Heberlein Fibertechnology, Inc
CH
Inventors
A. G. (pessoa física)
US
IPC Classification
Priority claims
US
178.961 · 04/07/1988
US
302.898 · 01/30/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/21/1989
RPI 996
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 06/04/2004
12/15/2009
RPI 2032
#25.1
Transferido de: E. I. Du Pont de Nemours and Company
05/11/1999
RPI 1479
#16.1
08/29/1995
RPI 1291
#9.1
02/21/1995
RPI 1264
#6.1
08/16/1994
RPI 1237
#4.1
07/09/1991
RPI 1075
From the same holder
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