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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8307620

Type

Invention Patent

Filing

11/24/1983

Publication

11/27/1984

Progress at the INPI

  1. Filing11/24/83
  2. Publication11/27/84
  3. Examination08/19/86
  4. Allowance08/23/88
  5. Grant07/25/89
  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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LADRIERE SERGE [FR]

Inventors

L. [. (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

02/17/1988

RPI 904

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Notificação de entrada na fase nacional - PCT

#1.3

11/27/1984

RPI 736

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F42B 11/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 24/11/98

07/01/2008

RPI 1956

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