Pedido de licença compulsória
#20.1
07/05/1988
RPI 924
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Official data from INPI
APERFEIÇOAMENTO EM PILHA GALVÂNICA CILÍNDRICA.
Em AnáliseInvention Patent
Progress at the INPI
- Filing03/10/81
- Publication
- Examination02/22/83
- Allowance11/13/84
- Grant05/28/85
- Expired09/24/96
The letters patent expired on 09/24/1996: 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: 07/05/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Eveready Battery Company
US
U. C. (pessoa física)
US
Inventors
B. T. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
20.10
06/28/1988
RPI 923
20.7
06/28/1988
RPI 923
Pedido de licença compulsória
#20.1
11/10/1987
RPI 890
20.7
11/10/1987
RPI 890
Concessão da patente
#16.1
05/28/1985
RPI 762
Notificação para pagamento de retribuição
#13.1
03/26/1985
RPI 753
Deferimento
#9.1
11/13/1984
RPI 734
Republicação - classificação IPC
#15.11
09/04/1984
RPI 724
Exigência - art. 36 da LPI
#6.1
02/14/1984
RPI 695
Solicitação de exame técnico
#4.1
02/22/1983
RPI 644
Carta-patente expirada
#21.1
09/24/1996
RPI 1347
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