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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8008798

Type

Invention Patent

Filing

08/26/1980

Publication

10/20/1981

Progress at the INPI

  1. Filing08/26/80
  2. Publication10/20/81
  3. Examination07/19/83
  4. Allowance09/04/84
  5. Grant03/26/85
  6. Expired11/21/95

The letters patent expired on 11/21/1995: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. B. (pessoa física)

GB

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

07/19/1983

RPI 665

Notificação de entrada na fase nacional - PCT

#1.3

10/20/1981

RPI 574

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

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