Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8904335Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
D. A. (pessoa física)
DE
Inventors
B. E. (pessoa física)
DE
E. K. (pessoa física)
DE
E. L. (pessoa física)
DE
IPC Classification
Priority claims
DE
P3830319.1 · 09/07/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
#21.1
Patente extinta em 29/08/2009
12/26/2012
RPI 2190
#16.1
06/29/1999
RPI 1486
#9.1
Deferido com apostilamento, na carta patente reivindicação nº 1, página 69; linha 18; onde se lê "Bao...", leia-se "BaO..."
12/08/1998
RPI 1457
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07/14/1998
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11/12/1991
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