Pedido de licença compulsória
#20.1
09/02/1986
RPI 828
Progress at the INPI
- Filing07/19/74
- Publication
- Examination
- Allowance
- Grant09/29/81
- Expired11/17/92
The letters patent expired on 11/17/1992: 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: 09/02/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Vibrachoc
FR
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
09/29/1981
RPI 571
Carta-patente expirada
#21.1
11/17/1992
RPI 1146
Related
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