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Official data from INPI

MEDIDOR DE FLUIDO COM COMPORTA DE ALHETAS ROTATIVAS,COM DIAMETRO INTERNO DAS ALHETAS DE ROTOR CONTROLADO

Em AnáliseInvention Patent

Application data

Number

PI8402288

Type

Invention Patent

Filing

05/13/1983

Publication

12/18/1984

Progress at the INPI

  1. Filing05/13/83
  2. Publication12/18/84
  3. Examination04/23/85
  4. Allowance11/03/87
  5. Grant08/30/88
  6. Terminated09/26/89

The patent was granted on 08/30/1988 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SINGER BRASIL [BR]

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Inventors

H. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

08/30/1988

RPI 932

14.1

03/15/1988

RPI 908

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

14.4

08/05/1986

RPI 824

14.1

07/29/1986

RPI 823

14.7

07/29/1986

RPI 823

Solicitação de exame técnico

#4.1

04/23/1985

RPI 757

Publicação do pedido de patente

#3.1

12/18/1984

RPI 739

Pedido de patente depositado

#2.1

07/24/1984

RPI 718

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