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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8402031

Type

Invention Patent

Filing

04/30/1984

Publication

03/19/1985

Progress at the INPI

  1. Filing04/30/84
  2. Publication03/19/85
  3. Examination07/09/85
  4. Allowance06/09/87
  5. Grant11/24/87
  6. Terminated05/07/96

The patent was granted on 11/24/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. A. (pessoa física)

DE

Inventors

K. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

06/24/1986

RPI 818

Solicitação de exame técnico

#4.1

07/09/1985

RPI 768

Publicação do pedido de patente

#3.1

03/19/1985

RPI 752

Pedido de patente depositado

#2.1

07/10/1984

RPI 716

Anuidade - prazo legal encerrado

#18.2

05/07/1996

RPI 1327

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