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Official data from INPI

APERFEICOAMENTOS EM EIXOS PARA MONTAGEM DE ROLOS DE MATERIAL EM FOLHA

ConcedidaUtility Model

Application data

Number

MU6300474

Type

Utility Model

Filing

04/16/1982

Publication

09/18/1984

Progress at the INPI

  1. Filing04/16/82
  2. Publication09/18/84
  3. Examination04/30/85
  4. Allowance06/23/87
  5. Grant01/26/88
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SHINEI SEISHI CO LTD [JP]

Inventors

K. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

10/20/1987

RPI 887

Deferimento

#9.1

06/23/1987

RPI 870

Exigência - art. 36 da LPI

#6.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

03/18/1986

RPI 804

Solicitação de exame técnico

#4.1

04/30/1985

RPI 758

Publicação do pedido de patente

#3.1

09/18/1984

RPI 726

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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