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Official data from INPI

MÁQUINA DE TESTES DE PERFORMANCE DE ROLETES DE TRANSPORTADORES DE CORREIA

Em AnáliseInvention Patent

Application data

Number

PI8406397

Type

Invention Patent

Filing

12/10/1984

Publication

06/24/1986

Progress at the INPI

  1. Filing12/10/84
  2. Publication06/24/86
  3. Examination03/29/88
  4. Allowance07/18/89
  5. Grant09/25/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aço Minas Gerais S/A - Açominas

MG, BR

See this company's full portfolio

Inventors

A. B. (pessoa física)

BR

A. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

12/13/1988

RPI 947

Solicitação de exame técnico

#4.1

03/29/1988

RPI 910

Publicação do pedido de patente

#3.1

06/24/1986

RPI 818

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Carta-patente expirada

#21.1

Patente extinta em 10/12/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

09/25/1990

RPI 1034

Retificação

#15.6

06/19/1990

RPI 1023

Retificação

#15.3

04/10/1990

RPI 1013

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