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Official data from INPI

DETECTOR DE VAZAMENTO DE LÍQUIDO, PROCESSO PARA MEDIR A TAXA DE VARIAÇÃO DE VOLUME DE UM LÍQUIDO, E DETECTOR DE VAZAMENTO DE LÍQUIDO PARA DETECTAR A PRESENÇA DE UM LÍQUIDO CONTAMINANTE

ArquivadaInvention Patent

Application data

Number

PI9101589

Type

Invention Patent

Filing

04/19/1991

Publication

12/10/1991

Progress at the INPI

  1. Filing04/19/91
  2. Publication12/10/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/19/1991 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/28/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hughes Aircraft Company

US

See this company's full portfolio

Inventors

D. C. (pessoa física)

US

V. V. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/511,618 · 04/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/28/1994

RPI 1230

Publicação do pedido de patente

#3.1

12/10/1991

RPI 1097

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