Carta-patente expirada
#21.1
Patente extinta em 15/03/2009
12/18/2012
RPI 2189
Application data
Number
PI8907317Type
Filing
Publication
PCT
US1989001031 The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
Inventors
D. L. (pessoa física)
US
L. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 15/03/2009
12/18/2012
RPI 2189
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11/24/1998
RPI 1455
#9.1
06/02/1998
RPI 1432
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10/08/1996
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11/12/1991
RPI 1093
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03/19/1991
RPI 1059
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