Carta-patente expirada
#21.1
Patente extinta em 09/04/2010
01/08/2013
RPI 2192
Application data
Number
PI9001674Type
Filing
Publication
The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.
Applicants
C. F. (pessoa física)
US
Waterguard Industries, Inc
US
Inventors
C. F. (pessoa física)
US
IPC Classification
Priority claims
US
07/453.596 · 04/07/1989
US
335.182 · 04/07/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 09/04/2010
01/08/2013
RPI 2192
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