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Official data from INPI

APARELHO PARA O REFINO DE METAL FUNDIDO.

ConcedidaInvention Patent

Application data

Number

PI8102272

Type

Invention Patent

Filing

04/14/1981

Publication

01/12/1982

Progress at the INPI

  1. Filing04/14/81
  2. Publication01/12/82
  3. Examination06/07/83
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated08/30/94

The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

P. J. (pessoa física)

Technical data

Priority claims

US

142.444 · 04/21/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

10/02/1984

RPI 728

Solicitação de exame técnico

#4.1

06/07/1983

RPI 659

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

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