Carta-patente expirada
#21.1
Patente extinta em 08/08/2004
12/29/2009
RPI 2034
Application data
Number
PI8907049Type
Filing
Publication
PCT
US1989003390 The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
Spectra, Inc
US
Inventors
C. J. (pessoa física)
US
L. Y. (pessoa física)
US
S. F. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 08/08/2004
12/29/2009
RPI 2034
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RPI 1282
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02/07/1995
RPI 1262
10/04/1994
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05/31/1994
RPI 1226
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07/09/1991
RPI 1075
#1.3
01/02/1991
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