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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207969

Type

Invention Patent

Filing

11/06/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/06/82
  2. Publication10/04/83
  3. Examination04/09/85
  4. Allowance10/13/87
  5. Grant05/31/88
  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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. H. (pessoa física)

FR

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Inventors

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Conhecimento de parecer técnico

#7.1

03/17/1987

RPI 856

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Notificação de entrada na fase nacional - PCT

#1.3

10/04/1983

RPI 676

Carta-patente expirada

#21.1

Patente extinta em 06/11/97

07/01/2008

RPI 1956

20.11

02/01/1994

RPI 1209

20.4

04/27/1993

RPI 1169

Pedido de licença compulsória

#20.1

04/20/1993

RPI 1168

20.4

04/13/1993

RPI 1167

Pedido de licença compulsória

#20.1

04/06/1993

RPI 1166

20.4

03/30/1993

RPI 1165

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