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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8307367

Type

Invention Patent

Filing

04/14/1983

Publication

05/08/1984

Progress at the INPI

  1. Filing04/14/83
  2. Publication05/08/84
  3. Examination09/11/84
  4. Allowance07/02/85
  5. Grant12/31/85
  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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. H. (pessoa física)

FR

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Inventors

B. [. (pessoa física)

B. [. (pessoa física)

E. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Deferimento

#9.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Notificação de entrada na fase nacional - PCT

#1.3

05/08/1984

RPI 707

Carta-patente expirada

#21.1

Patente extinta em 14/04/98

07/01/2008

RPI 1956

20.11

11/23/1993

RPI 1199

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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