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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8402843

Type

Invention Patent

Filing

06/12/1984

Publication

03/24/1987

Progress at the INPI

  1. Filing06/12/84
  2. Publication05/21/85
  3. Examination04/22/87
  4. Allowance08/23/88
  5. Grant07/25/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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

Nacam

FR

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Inventors

H. B. (pessoa física)

Technical data

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

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Exigência - art. 36 da LPI

#6.1

02/02/1988

RPI 902

Solicitação de exame técnico

#4.1

04/22/1987

RPI 861

Publicação antecipada

#3.2

03/24/1987

RPI 857

Publicação do pedido de patente

#3.1

05/21/1985

RPI 761

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Carta-patente expirada

#21.1

Patente extinta em 12/06/99

07/08/2008

RPI 1957

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