Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8903822Type
Filing
Publication
The letters patent expired on 12/22/2009: 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
W. C. (pessoa física)
US
Inventors
S. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
#21.1
Patente extinta em 31/07/2004
12/22/2009
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11/26/1996
RPI 1356
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07/02/1996
RPI 1335
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01/02/1996
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06/16/1992
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03/20/1990
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