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Official data from INPI

ELEMENTO FILTRANTE TUBULAR CORRUGADO

IndeferidaInvention Patent

Application data

Number

PI8202104

Type

Invention Patent

Filing

04/13/1982

Publication

03/22/1983

Progress at the INPI

Under appeal
  1. Filing04/13/82
  2. Publication03/22/83
  3. Examination06/04/85
  4. Refused01/06/87
  5. Grant
  6. In force

The application was refused by the INPI on 01/06/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. C. (pessoa física)

US

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Inventors

J. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

254.229 · 04/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/06/1987

RPI 846

Conhecimento de parecer técnico

#7.1

01/14/1986

RPI 795

Solicitação de exame técnico

#4.1

06/04/1985

RPI 763

Publicação do pedido de patente

#3.1

03/22/1983

RPI 648

Pedido de patente depositado

#2.1

06/01/1982

RPI 606

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