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Official data from INPI

APARELHO PARA UTILIZAÇÃO DE DERRAME SUBMERSO DE METAIS FUNDIDOS

ConcedidaInvention Patent

Application data

Number

PI8201074

Type

Invention Patent

Filing

03/02/1982

Publication

01/11/1983

Progress at the INPI

  1. Filing03/02/82
  2. Publication01/11/83
  3. Examination03/12/85
  4. Allowance08/26/86
  5. Grant06/02/87
  6. Terminated11/15/94

The patent was granted on 06/02/1987 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uss Engineers And Consultants, INC

US

See this company's full portfolio

Inventors

A. T. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8106587 · 03/03/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

10/29/1985

RPI 784

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação do pedido de patente

#3.1

01/11/1983

RPI 638

Pedido de patente depositado

#2.1

04/13/1982

RPI 599

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

20.4

11/13/1990

RPI 1041

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