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Official data from INPI

MANÔMETRO.

ConcedidaInvention Patent

Application data

Number

PI8401803

Type

Invention Patent

Filing

04/17/1984

Publication

11/27/1984

Progress at the INPI

  1. Filing04/17/84
  2. Publication11/27/84
  3. Examination01/06/87
  4. Allowance11/03/87
  5. Grant06/28/88
  6. Terminated10/16/90

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dresser Industries, Inc

US

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Inventors

W. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Solicitação de exame técnico

#4.1

01/06/1987

RPI 846

Publicação do pedido de patente

#3.1

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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