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Official data from INPI

PROCESSO DE PRODUZIR UM ENROLAMENTO MOLDADO

Em AnáliseInvention Patent

Application data

Number

PI8601359

Type

Invention Patent

Filing

03/26/1986

Publication

12/02/1986

Progress at the INPI

  1. Filing03/26/86
  2. Publication12/02/86
  3. Examination03/31/87
  4. Allowance09/03/91
  5. Grant06/30/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hitachi, Ltd

JP

See this company's full portfolio

Inventors

T. N. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

64357/85 · 03/28/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

12/02/1986

RPI 841

Pedido de patente depositado

#2.1

10/21/1986

RPI 835

Carta-patente expirada

#21.1

Patente extinta em 26/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

01/07/1992

RPI 1101

Deferimento

#9.1

09/03/1991

RPI 1083

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