Pedido de patente depositado
#2.1
05/09/1989
RPI 968
Application data
Number
PI8901288Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
C. K. (pessoa física)
BA, BR
Inventors
C. K. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/09/1989
RPI 968
#15.11
A classificação anterior era: E04D 13/18
08/25/2015
RPI 2329
#21.1
Patente extinta em 09/03/2004
12/15/2009
RPI 2032
#16.1
12/27/1994
RPI 1256
#13.1
08/16/1994
RPI 1237
#9.1
04/19/1994
RPI 1220
#4.1
03/19/1991
RPI 1059
#3.1
10/16/1990
RPI 1037
From the same holder
Same category
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