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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8305747

Type

Invention Patent

Filing

01/26/1983

Publication

01/10/1984

Progress at the INPI

  1. Filing01/26/83
  2. Publication01/10/84
  3. Examination10/29/85
  4. Allowance05/10/88
  5. Grant10/25/88
  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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

SP, BR

See this company's full portfolio

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Exigência - art. 36 da LPI

#6.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Notificação de entrada na fase nacional - PCT

#1.3

01/10/1984

RPI 690

Carta-patente expirada

#21.1

Patente extinta em 26/01/98

07/01/2008

RPI 1956

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