Pedido de licença compulsória
#20.1
12/02/1986
RPI 841
The letters patent expired on 04/25/1995: 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: 12/02/1986. We update with every new RPI gazette, published weekly.
Applicants
Dresser Industries Inc
US
Inventors
L. H. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
12/02/1986
RPI 841
#16.1
11/27/1984
RPI 736
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09/04/1984
RPI 724
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05/08/1984
RPI 707
#6.1
12/13/1983
RPI 686
#6.1
08/30/1983
RPI 671
#6.1
12/14/1982
RPI 634
#21.1
04/25/1995
RPI 1273
From the same holder
Same category
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