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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA PARA ROLETES DE APOIO NOS SUPORTES DE UMA CORREIA TRANSPORTADORA

Em AnáliseUtility Model

Application data

Number

MU6700453

Type

Utility Model

Filing

03/20/1987

Publication

10/18/1988

Progress at the INPI

  1. Filing03/20/87
  2. Publication10/18/88
  3. Examination01/03/89
  4. Allowance03/13/90
  5. Grant10/30/90
  6. Expired09/18/01

The letters patent expired on 09/18/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fábrica de Aço Paulista S.A

SP, BR

See this company's full portfolio

Inventors

A. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/03/1989

RPI 950

Publicação do pedido de patente

#3.1

10/18/1988

RPI 939

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 20/03/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

07/24/1990

RPI 1025

Deferimento

#9.1

03/13/1990

RPI 1009

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