Deferimento
#9.1
12/05/1989
RPI 998
Application data
Number
PI8404552Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
MATECHOLDING AG
SE
Inventors
L. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
12/05/1989
RPI 998
#6.1
10/18/1988
RPI 939
#4.1
05/05/1987
RPI 863
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08/06/1985
RPI 772
#2.1
11/13/1984
RPI 734
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 3/26; B32B 7/04; F01N 7/18; F16L 55/02; G10K 11/16; G10K 11/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 12/09/99
07/08/2008
RPI 1957
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