20.11
07/05/1988
RPI 924
The letters patent expired on 03/19/1996: 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: 07/05/1988. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
Biec International Inc.
US
Inventors
A. [. (pessoa física)
H. [. (pessoa física)
T. [. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
07/05/1988
RPI 924
04/26/1988
RPI 914
#16.1
12/29/1987
RPI 897
#13.1
11/10/1987
RPI 890
#9.1
07/14/1987
RPI 873
#6.1
02/26/1985
RPI 749
#6.1
08/21/1984
RPI 722
#15.11
02/28/1984
RPI 697
#6.1
01/17/1984
RPI 691
#4.1
06/14/1983
RPI 660
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C23C 3/00; C25C 1/06.
03/20/2018
RPI 2463
#21.1
03/19/1996
RPI 1320
From the same holder
Same category
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