Concessão da patente
#16.1
03/30/1982
RPI 597
Progress at the INPI
- Filing06/06/74
- Publication
- Examination
- Allowance
- Grant03/30/82
- Expired08/25/92
The letters patent expired on 08/25/1992: 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: 03/30/1982. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
L.M. Ericsson Pty Ltd.
AU
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
08/25/1992
RPI 1134
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