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Official data from INPI

Dispositivo para medir o nível de um líquido que enche pelo menos parcialmente um vaso recipiente.

Em AnáliseInvention Patent

Application data

Number

PI7906126

Type

Invention Patent

Filing

09/25/1979

Publication

-

Progress at the INPI

  1. Filing09/25/79
  2. Publication
  3. Examination08/24/82
  4. Allowance09/06/83
  5. Grant02/28/84
  6. Terminated06/14/88

The patent was granted on 02/28/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

H. E. (pessoa física)

K. J. (pessoa física)

R. P. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 41 889.5 · 09/26/1978

DE

P 28 49 143.2 · 11/13/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

02/28/1984

RPI 697

Deferimento

#9.1

09/06/1983

RPI 672

Republicação - classificação IPC

#15.11

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

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