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Official data from INPI

RELÉ DE PROTEÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8305770

Type

Invention Patent

Filing

10/19/1983

Publication

05/29/1984

Progress at the INPI

  1. Filing10/19/83
  2. Publication05/29/84
  3. Examination08/05/86
  4. Allowance07/12/88
  5. Grant03/28/89
  6. Terminated02/18/92

The patent was granted on 03/28/1989 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westinghouse Canada Inc.

Inventors

B. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

436.101 · 10/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Deferimento

#9.1

07/12/1988

RPI 925

Exigência - art. 36 da LPI

#6.1

12/15/1987

RPI 895

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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