20.7
02/24/1987
RPI 853
Application data
Number
PI8205054Type
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: 02/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Metalac S/A. - Indústria e Comércio.
SP, BR
Inventors
R. C. (pessoa física)
BR
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
02/24/1987
RPI 853
#16.1
07/29/1986
RPI 823
#13.1
04/15/1986
RPI 808
#9.1
10/15/1985
RPI 782
#6.1
01/15/1985
RPI 743
#4.1
07/24/1984
RPI 718
#3.1
04/03/1984
RPI 702
#2.1
10/19/1982
RPI 626
#21.1
Patente extinta em 30/08/97
07/01/2008
RPI 1956
From the same holder
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