Carta-patente expirada
#21.1
Patente extinta em 25/09/2009
12/26/2012
RPI 2190
Application data
Number
PI8904827Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
British Gas PLC
GB
Inventors
A. W. (pessoa física)
GB
C. K. (pessoa física)
GB
J. W. (pessoa física)
GB
R. W. (pessoa física)
GB
S. J. (pessoa física)
GB
T. R. (pessoa física)
GB
IPC Classification
Priority claims
GB
88 22469.6 · 09/23/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
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