Notificação para pagamento de retribuição
#13.1
09/08/1982
RPI 620
Progress at the INPI
- Filing12/17/79
- Publication
- Examination
- Allowance05/11/82
- Grant
- Expired12/07/93
The letters patent expired on 12/07/1993: 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: 09/08/1982. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
TECNO FLEX IND COM LTD [BR]
Inventors
No inventors listed.
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Deferimento
#9.1
05/11/1982
RPI 603
Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era H02G 3/28.
03/27/2018
RPI 2464
Carta-patente expirada
#21.1
12/07/1993
RPI 1201
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