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Official data from INPI

APERFEIÇOAMENTO NO PROCESSO PARA ESMERILHAMENTO A SECO DE UMA PEÇA DE TRABALHO DO GRUPO DE CARBURETO DE METAL CEMENTADO.

Em AnáliseInvention Patent

Application data

Number

PI8202886

Type

Invention Patent

Filing

05/18/1982

Publication

04/26/1983

Progress at the INPI

  1. Filing05/18/82
  2. Publication04/26/83
  3. Examination07/16/85
  4. Allowance07/08/86
  5. Grant12/30/86
  6. Terminated05/24/88

The patent was granted on 12/30/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

E. P. (pessoa física)

US

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

264.765 · 05/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Solicitação de exame técnico

#4.1

07/16/1985

RPI 769

Publicação do pedido de patente

#3.1

04/26/1983

RPI 653

Pedido de patente depositado

#2.1

07/06/1982

RPI 611

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