320
03/04/1986
RPI 802
The letters patent expired on 07/06/1993: 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: 03/04/1986. We update with every new RPI gazette, published weekly.
Applicants
UNITEC IND METALURG LTD
Inventors
I. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/04/1986
RPI 802
12/03/1985
RPI 789
07/23/1985
RPI 770
#17.1
04/09/1985
RPI 755
#16.1
02/28/1984
RPI 697
#13.1
12/13/1983
RPI 686
09/27/1983
RPI 675
12/07/1982
RPI 633
11/30/1982
RPI 632
#12.1
03/16/1982
RPI 595
#9.1
11/10/1981
RPI 577
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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