Publicação do pedido de patente
#3.1
11/17/1987
RPI 891
Application data
Number
PI8604328Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 11/17/1987. We update with every new RPI gazette, published weekly.
Applicants
R.T. Vanderbilt Company, Inc.
US
Inventors
E. R. (pessoa física)
US
H. F. (pessoa física)
US
T. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/17/1987
RPI 891
#2.1
03/17/1987
RPI 856
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C10M 159/18; C07F 11/00; C07C 69/30; C07C 103/38.
03/27/2018
RPI 2464
#21.1
Patente extinta em 10/09/2001
07/22/2008
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#16.1
05/25/1993
RPI 1173
#13.1
04/13/1993
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#9.1
11/24/1992
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11/19/1991
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01/09/1990
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