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Official data from INPI

PRODUTO DE LIGA À BASE DE ALUMÍNIO E PROCESSOS PARA PRODUZIR UM PRODUTO EM FOLHA DE ALUMÍNIO TRABALHADO OU UM TUBO DE ALUMÍNIO , E CONJUNTO TROCADOR DE CALOR.

IndeferidaInvention Patent

Application data

Number

PI8108384

Type

Invention Patent

Filing

12/23/1981

Publication

10/13/1982

Progress at the INPI

Under appeal
  1. Filing12/23/81
  2. Publication10/13/82
  3. Examination11/13/84
  4. Refused06/24/86
  5. Grant
  6. In force

The application was refused by the INPI on 06/24/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALUMINUM COMPANY OF AMERICA

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Inventors

R. J. (pessoa física)

S. C. (pessoa física)

V. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

219.572 · 12/23/1980

US

219.574 · 12/23/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/24/1986

RPI 818

Conhecimento de parecer técnico

#7.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

11/13/1984

RPI 734

Publicação do pedido de patente

#3.1

10/13/1982

RPI 625

Pedido de patente depositado

#2.1

02/16/1982

RPI 591

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