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Official data from INPI

DISPOSICAO CONSTRUTIVA EM PERFILADO METALICO

ConcedidaUtility Model

Application data

Number

MU6101359

Type

Utility Model

Filing

09/29/1981

Publication

05/03/1983

Progress at the INPI

  1. Filing09/29/81
  2. Publication05/03/83
  3. Examination02/14/84
  4. Allowance04/09/85
  5. Grant10/29/85
  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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NATH NORBERTH [BR]

Inventors

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

14.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

05/03/1983

RPI 654

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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