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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8303906

Type

Invention Patent

Filing

07/20/1983

Publication

02/28/1984

Progress at the INPI

  1. Filing07/20/83
  2. Publication02/28/84
  3. Examination05/06/86
  4. Allowance09/27/88
  5. Grant07/25/89
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Republicação - classificação IPC

#15.11

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Republicação - classificação IPC

#15.11

10/23/1984

RPI 731

Publicação do pedido de patente

#3.1

02/28/1984

RPI 697

Pedido de patente depositado

#2.1

09/27/1983

RPI 675

Carta-patente expirada

#21.1

Patente extinta em 20/07/98

08/19/2008

RPI 1963

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