Publicação do pedido de patente
#3.1
04/11/1989
RPI 964
Application data
Number
PI8804541Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 04/11/1989. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
Inventors
H. S. (pessoa física)
DE
P. W. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 37 29 449.0 · 09/03/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
04/11/1989
RPI 964
#2.1
01/31/1989
RPI 954
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B29D 23/22.
03/20/2018
RPI 2463
#21.1
Patente extinta em 02/09/2008
12/18/2012
RPI 2189
#16.1
01/21/1998
RPI 1413
#15.11
05/27/1997
RPI 1382
#9.1
05/27/1997
RPI 1382
#6.1
10/01/1996
RPI 1348
#4.1
05/21/1991
RPI 1068
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.