Deferimento
#9.1
09/05/1989
RPI 985
Application data
Number
PI8401743Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
Inventors
D. T. (pessoa física)
DE
H. W. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
09/05/1989
RPI 985
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02/21/1989
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12/09/1986
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#3.1
11/20/1984
RPI 735
#2.1
06/26/1984
RPI 714
#21.1
Patente extinta em 13/04/99
07/08/2008
RPI 1957
#16.1
03/20/1990
RPI 1010
#13.1
01/09/1990
RPI 1001
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Same category
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