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Official data from INPI

DISPOSITIVO SENSOR ELETRÔNICO PARA MEDIDOR DE FLUXO DE ESCOAMENTO DE VÓRTICE DE FIBRA ÓTICA E MÉTODO DE OPERAÇÃO DO MESMO

ArquivadaInvention Patent

Application data

Number

PI8501765

Type

Invention Patent

Filing

04/10/1985

Publication

06/17/1986

Progress at the INPI

  1. Filing04/10/85
  2. Publication06/17/86
  3. Examination11/25/86
  4. Allowance11/06/90
  5. Grant05/28/91
  6. Terminated07/25/95

The patent was granted on 05/28/1991 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Babcock & Wilcox Company

US

See this company's full portfolio

Inventors

W. T. (pessoa física)

Technical data

IPC Classification

Priority claims

US

06/612.284 · 05/21/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.3

10/03/1989

RPI 989

Exigência - art. 36 da LPI

#6.1

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

Pedido de licença compulsória

#20.1

05/18/1993

RPI 1172

Pedido de licença compulsória

#20.1

05/11/1993

RPI 1171

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

02/19/1991

RPI 1055

Deferimento

#9.1

11/06/1990

RPI 1040

102

09/11/1990

RPI 1032

Pedido de recurso

#12.3

05/15/1990

RPI 1018

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