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Official data from INPI

DISPOSITIVO DE MONTAGEM DE TUBOS REVESTIDOS, UM DENTRO DO OUTRO, PARA TRANSPORTE (TELESCOPAGEM).

ConcedidaInvention Patent

Application data

Number

PI8301911

Type

Invention Patent

Filing

04/14/1983

Publication

08/23/1983

Progress at the INPI

  1. Filing04/14/83
  2. Publication08/23/83
  3. Examination02/28/84
  4. Allowance09/17/85
  5. Grant05/27/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Confab Industrial S/A

SP, BR

Inventors

S. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/21/1986

RPI 796

Deferimento

#9.1

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

14.7

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Publicação antecipada

#3.2

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

Carta-patente expirada

#21.1

Patente extinta em 14/04/98

07/01/2008

RPI 1956

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