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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8307189

Type

Invention Patent

Filing

04/26/1983

Publication

04/17/1984

Progress at the INPI

  1. Filing04/26/83
  2. Publication04/17/84
  3. Examination09/17/85
  4. Allowance09/15/87
  5. Grant06/28/88
  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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

SE

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Inventors

P. [. (pessoa física)

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/15/1987

RPI 882

Exigência - art. 36 da LPI

#6.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Notificação de entrada na fase nacional - PCT

#1.3

04/17/1984

RPI 704

Carta-patente expirada

#21.1

Patente extinta em 26/04/98

07/01/2008

RPI 1956

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