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Official data from INPI

INDICADOR DE NÍVEL EXTERNO GRAVIMÉTRICO DE FLUIDOS OU SÓLIDOS EM SEUS RECIPIENTES.

Prazo de SigiloUtility Model

Application data

Number

MU6802400

Type

Utility Model

Filing

11/03/1988

Publication

06/12/1990

Progress at the INPI

  1. Filing11/03/88
  2. Publication06/12/90
  3. Examination10/09/90
  4. Allowance04/06/93
  5. Grant11/30/93
  6. Terminated10/31/95

The patent was granted on 11/30/1993 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mangels Industrial S/A

SP, BR

See this company's full portfolio

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Anuidade - prazo legal encerrado

#18.2

10/31/1995

RPI 1300

Concessão da patente

#16.1

11/30/1993

RPI 1200

Notificação para pagamento de retribuição

#13.1

07/27/1993

RPI 1182

Deferimento

#9.1

04/06/1993

RPI 1166

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

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