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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8307722

Type

Invention Patent

Filing

12/20/1983

Publication

05/21/1985

Progress at the INPI

  1. Filing12/20/83
  2. Publication05/21/85
  3. Examination06/17/86
  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

T. E. (pessoa física)

SE

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Inventors

H. [. (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

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Notificação de entrada na fase nacional - PCT

#1.3

05/21/1985

RPI 761

Carta-patente expirada

#21.1

Patente extinta em 20/12/98

07/01/2008

RPI 1956

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