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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8406514

Type

Invention Patent

Filing

04/06/1984

Publication

03/12/1985
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Progress at the INPI

  1. Filing04/06/84
  2. Publication03/12/85
  3. Examination10/06/87
  4. Allowance06/21/88
  5. Grant04/25/89
  6. Terminated05/14/96

The patent was granted on 04/25/1989 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. I. (pessoa física)

US

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Inventors

A. [. (pessoa física)

C. A. (pessoa física)

D. [. (pessoa física)

H. [. (pessoa física)

Technical data

IPC Classification

F22B 1/18F22B 37/00F22B 37/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

11.8

08/11/1987

RPI 877

Retificação

#15.3

06/09/1987

RPI 868

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

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