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Official data from INPI

SENSOR DE NÍVEL.

PublicadaInvention Patent

Application data

Number

PI8604617

Type

Invention Patent

Filing

09/25/1919

Publication

05/10/1988

Progress at the INPI

  1. Filing09/25/19
  2. Publication05/10/88
  3. Examination01/09/90
  4. Allowance02/25/92
  5. Grant11/24/92
  6. Terminated06/18/96

The patent was granted on 11/24/1992 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Altec Indústria e Comércio de Instrumentos Ltda

SP, BR

Inventors

M. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/10/1988

RPI 916

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Deferimento

#9.1

02/25/1992

RPI 1108

4.1.2

06/12/1990

RPI 1022

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

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