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Official data from INPI

AQUECIMENTO DE METAL AMORFO PARA FACILITAR O CORTE.

ConcedidaInvention PatentPCT · US1984001820

Application data

Number

PI8407168

Type

Invention Patent

Filing

11/09/1984

Publication

10/08/1985

PCT

US1984001820

Progress at the INPI

  1. Filing11/09/84
  2. Publication10/08/85
  3. Examination07/28/87
  4. Allowance05/02/89
  5. Grant10/24/89
  6. Terminated07/04/95

The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

M. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

551.436 · 11/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/02/1989

RPI 967

Exigência - art. 36 da LPI

#6.1

08/16/1988

RPI 930

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Retificação da notificação da fase nacional - PCT

#1.3.1

11/19/1985

RPI 787

Notificação de entrada na fase nacional - PCT

#1.3

10/08/1985

RPI 781

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

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