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Official data from INPI

APARELHO PARA FUNDIÇÃO CONTRA A GRAVIDADE, A VÁCUO, DE METAL EM FUSÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8903086

Type

Invention Patent

Filing

06/23/1989

Publication

03/06/1990

Progress at the INPI

  1. Filing06/23/89
  2. Publication03/06/90
  3. Examination10/02/90
  4. Allowance03/07/95
  5. Grant09/26/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

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Inventors

B. H. (pessoa física)

US

J. J. (pessoa física)

US

J. P. (pessoa física)

US

P. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

211,020 · 06/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/15/1989

RPI 982

Carta-patente expirada

#21.1

Patente extinta em 23/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

Publicação do pedido de patente

#3.1

03/06/1990

RPI 1008

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