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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8501392

Type

Invention Patent

Filing

03/27/1985

Publication

11/04/1986

Progress at the INPI

  1. Filing03/27/85
  2. Publication11/04/86
  3. Examination01/13/87
  4. Allowance11/10/87
  5. Grant06/28/88
  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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. B. (pessoa física)

RJ, BR

Inventors

B. [. (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

Republicação - classificação IPC

#15.11

05/10/1988

RPI 916

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/10/1987

RPI 890

Solicitação de exame técnico

#4.1

01/13/1987

RPI 847

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Carta-patente expirada

#21.1

Patente extinta em 27/03/2000

07/15/2008

RPI 1958

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

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