Carta-patente expirada
#21.1
Patente extinta em 13/06/2003
09/02/2008
RPI 1965
Application data
Number
PI8807626Type
Filing
Publication
PCT
US1988002019 The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
Inventors
J. W. (pessoa física)
GB
IPC Classification
Priority claims
GB
8717387 · 07/23/1987
US
110,405 · 10/19/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 13/06/2003
09/02/2008
RPI 1965
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