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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE PORCELANA FELDSTÁTICA DE ALTA RESISTÊNCIA

Em AnáliseInvention Patent

Application data

Number

PI8600198

Type

Invention Patent

Filing

01/17/1986

Publication

09/30/1986

Progress at the INPI

  1. Filing01/17/86
  2. Publication09/30/86
  3. Examination06/02/87
  4. Allowance01/26/93
  5. Grant11/30/93
  6. Terminated10/03/95

The patent was granted on 11/30/1993 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: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NGK Insulators, Ltd.

JP

See this company's full portfolio

Inventors

I. O. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

7.139/85 · 01/18/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

09/30/1986

RPI 832

Pedido de patente depositado

#2.1

04/15/1986

RPI 808

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

11/30/1993

RPI 1200

110

10/05/1993

RPI 1192

Recurso

#12.1

05/25/1993

RPI 1173

Deferimento

#9.1

01/26/1993

RPI 1156

Exigência - art. 36 da LPI

#6.1

01/07/1992

RPI 1101

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