Publicação do pedido de patente
#3.1
12/27/1988
RPI 949
Application data
Number
PI8802622Type
Filing
Publication
The letters patent expired on 09/02/2008: 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
D. A. (pessoa física)
DE
Inventors
D. D. (pessoa física)
DE
R. B. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 37 19 042.3 · 06/06/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/27/1988
RPI 949
#2.1
10/25/1988
RPI 940
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C11D 3/12; B01F 17/42; C01B 33/28.
03/27/2018
RPI 2464
#21.1
Patente extinta em 31/05/2003
09/02/2008
RPI 1965
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02/27/1996
RPI 1317
#13.1
11/07/1995
RPI 1301
#9.1
06/27/1995
RPI 1282
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RPI 1230
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03/13/1990
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