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Official data from INPI

SENSOR ÓTICO PARA FLUXÍMETRO DE ESCOAMENTO DE VÓRTICE

Em AnáliseInvention Patent

Application data

Number

PI8504176

Type

Invention Patent

Filing

08/29/1985

Publication

06/24/1986

Progress at the INPI

  1. Filing08/29/85
  2. Publication06/24/86
  3. Examination09/30/86
  4. Allowance09/04/90
  5. Grant03/26/91
  6. Terminated08/08/95

The patent was granted on 03/26/1991 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

InternationalControl Automation Finance S/A.

US

Inventors

J. K. (pessoa física)

US

M. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

06/663.113 · 10/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/30/1986

RPI 832

Publicação do pedido de patente

#3.1

06/24/1986

RPI 818

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Anuidade - prazo legal encerrado

#18.2

08/08/1995

RPI 1288

Pedido de licença compulsória

#20.1

09/10/1991

RPI 1084

14.1

09/03/1991

RPI 1083

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

12/18/1990

RPI 1046

Deferimento

#9.1

09/04/1990

RPI 1031

Exigência - art. 36 da LPI

#6.1

03/01/1990

RPI 1007

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