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Official data from INPI

TRANSMISSOR PARA MEDIÇÃO DE NÍVEL E TEMPERATURA EM RESERVATÓRIOS E SIMILARES

Em AnáliseInvention Patent

Application data

Number

PI8701315

Type

Invention Patent

Filing

02/26/1987

Publication

09/13/1988

Progress at the INPI

  1. Filing02/26/87
  2. Publication09/13/88
  3. Examination11/14/89
  4. Allowance08/25/92
  5. Grant04/27/93
  6. Terminated10/17/95

The patent was granted on 04/27/1993 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Computec Ltda

MG, BR

Inventors

J. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

09/13/1988

RPI 934

Pedido de patente depositado

#2.1

09/15/1987

RPI 882

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

08/25/1992

RPI 1134

Exigência - art. 36 da LPI

#6.1

01/21/1992

RPI 1103

15.18

12/26/1990

RPI 1047

Retificação

#15.3

10/23/1990

RPI 1038

Pedido de certificado de adição de invenção

#5.1

03/20/1990

RPI 1010

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