Concessão da patente
#16.1
12/27/1988
RPI 949
Application data
Number
PI8205447Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
T. C. (pessoa física)
US
Inventors
V. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#13.1
09/06/1988
RPI 933
#9.1
05/17/1988
RPI 917
#6.1
09/08/1987
RPI 881
#15.11
09/01/1987
RPI 880
#4.1
10/01/1985
RPI 780
#3.1
08/23/1983
RPI 670
#2.1
11/03/1982
RPI 628
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C10M 1/38; C10M 1/44; C10N 70/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 16/09/97
07/01/2008
RPI 1956
From the same holder
Same category
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