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Official data from INPI

PLACA PARA FIXAÇÃO DIRETA DE TRILHOS.

ConcedidaUtility Model

Application data

Number

MU6601971

Type

Utility Model

Filing

10/20/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing10/20/86
  2. Publication03/17/87
  3. Examination05/12/87
  4. Allowance05/02/89
  5. Grant11/28/89
  6. Terminated11/14/95

The patent was granted on 11/28/1989 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: 11/28/1989. 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).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

05/12/1987

RPI 864

Publicação antecipada

#3.2

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

03/04/1987

RPI 854

Anuidade - prazo legal encerrado

#18.2

11/14/1995

RPI 1302

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