Pedido de patente depositado
#2.1
10/17/1989
RPI 991
Application data
Number
PI8903773Type
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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
W. C. (pessoa física)
US
Inventors
C. P. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/17/1989
RPI 991
#21.1
Patente extinta em 28/07/2004
12/22/2009
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07/25/1995
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