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Official data from INPI

TRANSDUTOR DE PRESSAO TENDO SENSORES PIEZORESISTIVOS BLINDADOS ELETRICAMENTE

Em AnáliseInvention Patent

Application data

Number

PI7902641

Type

Invention Patent

Filing

08/28/1978

Publication

-

Progress at the INPI

  1. Filing08/28/78
  2. Publication
  3. Examination
  4. Allowance04/05/83
  5. Grant10/25/83
  6. Terminated10/03/89

The patent was granted on 10/25/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO

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Inventors

A. A. (pessoa física)

K. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

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