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Official data from INPI

PROCESSO E APARELHO PARA FUNDIÇÃO CONTÍNUA DE METAL E HASTE METÁLICA OBTIDA PELO DITO PROCESSO E APARELHO

Em AnáliseInvention Patent

Application data

Number

PI8100899

Type

Invention Patent

Filing

02/11/1981

Publication

08/17/1982

Progress at the INPI

  1. Filing02/11/81
  2. Publication08/17/82
  3. Examination10/30/84
  4. Allowance02/04/86
  5. Grant06/24/86
  6. Expired03/26/96

The letters patent expired on 03/26/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

Showa Electric Wire & Cable Co. Ltda.

JP

See this company's full portfolio

Inventors

F. R. (pessoa física)

L. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

165.421 · 07/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

02/23/1988

RPI 905

Concessão da patente

#16.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Conhecimento de parecer técnico

#7.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

10/30/1984

RPI 732

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

20.12

06/29/1993

RPI 1178

Pedido de licença compulsória

#20.1

04/20/1993

RPI 1168

Pedido de licença compulsória

#20.1

08/28/1990

RPI 1030

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