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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8500063

Type

Invention Patent

Filing

01/08/1985

Publication

04/16/1985

Progress at the INPI

  1. Filing01/08/85
  2. Publication04/16/85
  3. Examination07/23/85
  4. Allowance05/10/88
  5. Grant10/25/88
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. H. (pessoa física)

FR

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Inventors

C. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

07/23/1985

RPI 770

Publicação antecipada

#3.2

04/16/1985

RPI 756

Pedido de patente depositado

#2.1

04/09/1985

RPI 755

Carta-patente expirada

#21.1

Patente extinta em 08/01/2000

07/15/2008

RPI 1958

20.4

05/25/1993

RPI 1173

Pedido de licença compulsória

#20.1

05/18/1993

RPI 1172

20.4

05/11/1993

RPI 1171

20.4

05/04/1993

RPI 1170

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