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Official data from INPI

LIGAÇÃO PARA TUBO

ConcedidaInvention Patent

Application data

Number

PI8203188

Type

Invention Patent

Filing

05/31/1982

Publication

05/17/1983

Progress at the INPI

  1. Filing05/31/82
  2. Publication05/17/83
  3. Examination08/28/84
  4. Allowance10/01/85
  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

Pabreco S.A.

CH

Inventors

R. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

FR

81 10 796 · 06/01/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/01/1985

RPI 780

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

05/17/1983

RPI 656

Pedido de patente depositado

#2.1

07/20/1982

RPI 613

Carta-patente expirada

#21.1

Patente extinta em 31/05/97

07/01/2008

RPI 1956

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