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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM SUPORTE DE TRILHO.

Em AnáliseUtility Model

Application data

Number

MU6701479

Type

Utility Model

Filing

07/24/1987

Publication

11/10/1987

Progress at the INPI

  1. Filing07/24/87
  2. Publication11/10/87
  3. Examination12/29/87
  4. Allowance06/12/90
  5. Grant12/26/90
  6. Terminated10/31/95

The patent was granted on 12/26/1990 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dextra Serviços de Manutenção S/A

SP, BR

Inventors

J. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/29/1987

RPI 897

Publicação antecipada

#3.2

11/10/1987

RPI 890

Pedido de patente depositado

#2.1

11/03/1987

RPI 889

Anuidade - prazo legal encerrado

#18.2

10/31/1995

RPI 1300

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

09/25/1990

RPI 1034

Deferimento

#9.1

06/12/1990

RPI 1022

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