Carta-patente expirada
#21.1
Patente extinta em 24/11/2008
12/11/2012
RPI 2188
Application data
Number
PI8807482Type
Filing
Publication
PCT
US1988001406 The letters patent expired on 12/11/2012: 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: 12/11/2012. We update with every new RPI gazette, published weekly.
Applicants
Waterguard Industries, Inc
US
Inventors
C. F. (pessoa física)
US
IPC Classification
Priority claims
US
045.889 · 05/01/1987
US
181.833 · 04/15/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 24/11/2008
12/11/2012
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