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Official data from INPI

MECANISMO DE VÁLVULA PARA CONTROLE DE ESCOAMENTO DE METAL DE UMA SAÍDA DE VASO; FORNO

ConcedidaInvention Patent

Application data

Number

PI8202485

Type

Invention Patent

Filing

04/29/1982

Publication

04/12/1983

Progress at the INPI

  1. Filing04/29/82
  2. Publication04/12/83
  3. Examination06/25/85
  4. Allowance05/13/86
  5. Grant11/25/86
  6. Terminated11/29/94

The patent was granted on 11/25/1986 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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uss Engineers And Consultants INC

US

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Inventors

K. B. (pessoa física)

GB

N. W. (pessoa física)

GB

W. G. (pessoa física)

GB

Technical data

Priority claims

GB

8113519 · 05/01/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

20.4

11/13/1990

RPI 1041

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