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Official data from INPI

PROCESSO DE FABRICAÇÃO DE JUNTA ESFÉRICA

PublicadaInvention Patent

Application data

Number

PI8803936

Type

Invention Patent

Filing

08/09/1988

Publication

02/28/1989

Progress at the INPI

  1. Filing08/09/88
  2. Publication02/28/89
  3. Examination10/16/90
  4. Allowance10/08/91
  5. Grant05/26/92
  6. Terminated06/25/96

The patent was granted on 05/26/1992 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tokai Trw & Co Ltd

JP

Inventors

Y. M. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

62-198170 · 08/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/28/1989

RPI 958

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

05/26/1992

RPI 1121

Republicação - classificação IPC

#15.11

05/19/1992

RPI 1120

Deferimento

#9.1

10/08/1991

RPI 1088

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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