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Official data from INPI

EQUIPAMENTO PARA MONITORAÇÃO REMOTA DO NÍVEL E/OU VOLUME DE LÍQUIDOS EM RESERVATÓRIOS.

PublicadaInvention Patent

Application data

Number

PI8704584

Type

Invention Patent

Filing

08/12/1987

Publication

02/28/1989

Progress at the INPI

  1. Filing08/12/87
  2. Publication02/28/89
  3. Examination01/22/91
  4. Allowance10/27/92
  5. Grant03/29/94
  6. Terminated06/25/96

The patent was granted on 03/29/1994 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. R. (pessoa física)

SP, BR

Inventors

R. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/28/1989

RPI 958

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

11/16/1993

RPI 1198

110

10/05/1993

RPI 1192

Recurso

#12.1

03/09/1993

RPI 1162

Deferimento

#9.1

10/27/1992

RPI 1143

Solicitação de exame técnico

#4.1

01/22/1991

RPI 1051

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