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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8200822

Type

Invention Patent

Filing

02/16/1982

Publication

10/18/1983

Progress at the INPI

  1. Filing02/16/82
  2. Publication10/18/83
  3. Examination07/10/84
  4. Allowance04/16/85
  5. Grant11/26/85
  6. Terminated07/18/95

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto Maua de Tecnologia,Imt

SP, BR

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Inventors

A. D. (pessoa física)

B. S. (pessoa física)

C. W. (pessoa física)

J. A. (pessoa física)

J. T. (pessoa física)

S. D. (pessoa física)

Pessoa física

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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