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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8305426

Type

Invention Patent

Filing

01/25/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing01/25/83
  2. Publication12/27/83
  3. Examination09/17/85
  4. Allowance12/29/87
  5. Grant07/26/88
  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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. H. (pessoa física)

FR

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Inventors

U. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

07/28/1987

RPI 875

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

12/27/1983

RPI 688

Carta-patente expirada

#21.1

Patente extinta em 25/01/98

07/01/2008

RPI 1956

20.11

11/23/1993

RPI 1199

20.4

04/27/1993

RPI 1169

20.4

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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