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Official data from INPI

MEDIDOR DE NÍVEL PARA LÍQUIDOS, UTILIZANDO VARIAÇÃO DA CAPACITÂNCIA.

Prazo de SigiloInvention Patent

Application data

Number

PI8806131

Type

Invention Patent

Filing

11/18/1988

Publication

06/26/1990

Progress at the INPI

Awaiting grant fee payment
  1. Filing11/18/88
  2. Publication06/26/90
  3. Examination09/01/92
  4. Allowance02/01/94
  5. Grant
  6. In force

The application was allowed by the INPI on 02/01/1994. The grant of the letters patent is being processed.

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Latest action published by the INPI: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engesa Engenheiros Especializados S/A

SP, BR

Inventors

J. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Retificação

#15.3

10/11/1994

RPI 1245

Notificação para pagamento de retribuição

#13.1

05/24/1994

RPI 1225

Deferimento

#9.1

02/01/1994

RPI 1209

Solicitação de exame técnico

#4.1

09/01/1992

RPI 1135

Publicação do pedido de patente

#3.1

06/26/1990

RPI 1024

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