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Official data from INPI

SISTEMA DE REFERENCIA PARA O CONTROLE DE UM LIQUIDO NUM RECIPIENTE TRANSPARENTE

ConcedidaInvention Patent

Application data

Number

PI8104248

Type

Invention Patent

Filing

07/01/1980

Publication

03/23/1982

Progress at the INPI

  1. Filing07/01/80
  2. Publication03/23/82
  3. Examination04/03/84
  4. Allowance07/09/85
  5. Grant02/25/86
  6. Terminated02/04/92

The patent was granted on 02/25/1986 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SANOFI SA [FR]

Inventors

L. J. (pessoa física)

O. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

04/03/1984

RPI 702

Publicação do pedido de patente

#3.1

03/23/1982

RPI 596

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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