12/08/1987
RPI 894
Solicitação de exame técnico
4.1
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Utility ModelMU6700474
LAPISEIRA COLEGIAL
Labra Indústria Brasileira de Lápis S/A
Em AnáliseIPC B43K 21/22
Progress at the INPI
- Terminated12/17/96
The patent was granted on 10/29/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 12/08/1987. We update with every new RPI gazette, published weekly.
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
09/22/1987
RPI 883
Publicação antecipada
3.2
07/07/1987
RPI 872
Pedido de patente depositado
2.1
12/17/1996
RPI 1359
Anuidade - prazo legal encerrado
18.2
10/29/1991
RPI 1091
Concessão da patente
16.1
06/11/1991
RPI 1071
Notificação para pagamento de retribuição
13.1
02/26/1991
RPI 1056
Deferimento
9.1