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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8206784

Type

Invention Patent

Filing

11/23/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/23/82
  2. Publication10/04/83
  3. Examination02/28/84
  4. Allowance10/29/85
  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

R. H. (pessoa física)

NL

Inventors

H. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/29/1985

RPI 784

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/18/1983

RPI 639

Carta-patente expirada

#21.1

Patente extinta em 23/11/97

07/01/2008

RPI 1956

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