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Official data from INPI

VÁLVULA APERFEIÇOADA PARA LÍQUIDOS, VÁLVULAS APERFEIÇOADAS UNIDIRECIONAL PARA LÍQUIDOS, E, VÁLVULA APERFEIÇOADA, UNIDIRECIONAL, PARA USO EM UM SISTEMA DE AQUECIMENTO DE TERMO-SIFÃO.

ArquivadaInvention Patent

Application data

Number

PI8000450

Type

Invention Patent

Filing

01/24/1980

Publication

-

Progress at the INPI

  1. Filing01/24/80
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 01/24/1980 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: 03/20/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chevron Research Company.

US

See this company's full portfolio

Inventors

B. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

6767 · 01/26/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

03/20/1984

RPI 700

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F24H 1/18; F24J 3/02; H01L 21/208.

03/27/2018

RPI 2464

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