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Official data from INPI

Máquina para produção de corpos moedores tronco-conicos fundidos coquilhados

ConcedidaInvention Patent
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Application data

Number

PI8105256

Type

Invention Patent

Filing

08/17/1981

Publication

03/22/1983
View on INPI

Progress at the INPI

  1. Filing08/17/81
  2. Publication03/22/83
  3. Examination12/20/83
  4. Allowance01/06/87
  5. Grant09/29/87
  6. Terminated09/25/90

The patent was granted on 09/29/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Somep - Sociedade de Metalurgia e Processos Ltda

MG, BR

Inventors

C. M. (pessoa física)

BR

G. M. (pessoa física)

BR

Technical data

IPC Classification

B22D 5/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

03/04/1986

RPI 802

Pedido de certificado de adição de invenção

#5.1

05/08/1984

RPI 707

Solicitação de exame técnico

#4.1

12/20/1983

RPI 687

Publicação do pedido de patente

#3.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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