Carta-patente expirada
#21.1
Patente extinta em 18/07/2010
01/22/2013
RPI 2194
Application data
Number
PI9003482Type
Filing
Publication
The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.
Applicants
Duering AG
CH
Inventors
W. D. (pessoa física)
CH
IPC Classification
Priority claims
CH
2750/89 · 07/20/1989
CH
3797/89-9 · 10/19/1989
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