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Official data from INPI

PROCESSO PARA OPERAR USINA GERADORA DE ENERGIA DE CELULAS DE COMBUSTIVEL

Em AnáliseInvention Patent

Application data

Number

PI8505649

Type

Invention Patent

Filing

12/06/1984

Publication

08/12/1986

Progress at the INPI

  1. Filing12/06/84
  2. Publication08/12/86
  3. Examination05/31/88
  4. Allowance
  5. Grant
  6. In force

Published on 08/12/1986, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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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

UNITED TECHNOLOGIES CORP [US]

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Inventors

S. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/31/1988

RPI 919

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/21/1986

RPI 796

Retificação

#15.3

01/15/1991

RPI 1050

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