16.3
01/10/1984
RPI 690
The letters patent expired on 04/04/1995: 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: 01/10/1984. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
D. E. (pessoa física)
US
G. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
01/10/1984
RPI 690
#16.1
10/25/1983
RPI 679
#13.1
06/21/1983
RPI 661
#9.1
03/01/1983
RPI 645
07/20/1982
RPI 613
#6.1
06/29/1982
RPI 610
#21.1
04/04/1995
RPI 1270
From the same holder
Same category
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