Publicação do pedido de patente
#3.1
06/14/1988
RPI 921
Application data
Number
PI8705973Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 06/14/1988. We update with every new RPI gazette, published weekly.
Applicants
American Cyanamid Company
US
Inventors
L. Q. (pessoa física)
US
P. M. (pessoa física)
US
S. S. (pessoa física)
US
IPC Classification
Priority claims
US
928,077 · 11/06/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
06/14/1988
RPI 921
#2.1
03/01/1988
RPI 906
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 121/38; C07C 121/407; A01N 37/34.
03/27/2018
RPI 2464
#21.1
Patente extinta em 27/10/2008
12/11/2012
RPI 2188
#16.1
10/27/1998
RPI 1451
#9.1
03/31/1998
RPI 1423
#6.1
08/01/1995
RPI 1287
#6.1
10/11/1994
RPI 1245
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10/16/1990
RPI 1037
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