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Official data from INPI

PORTA DE GÁS APERFEIÇOADA.

ArquivadaInvention Patent

Application data

Number

PI8302060

Type

Invention Patent

Filing

04/20/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing04/20/83
  2. Publication12/27/83
  3. Abandoned12/17/85
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Energy Conversion Devices, Inc.

US

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Inventors

G. A. (pessoa física)

N. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

372.937 · 04/29/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/31/1988

RPI 919

6.2

07/28/1987

RPI 875

Solicitação de exame técnico

#4.1

12/17/1985

RPI 791

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

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