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Official data from INPI

APARELHO PARA CORTAR MÚLTIPLOS FLUXOS DE VIDRO DERRETIDO EM MASSAS DE VIDRO DERRETIDO

ConcedidaInvention Patent

Application data

Number

PI8303648

Type

Invention Patent

Filing

07/07/1983

Publication

02/14/1984

Progress at the INPI

  1. Filing07/07/83
  2. Publication02/14/84
  3. Examination05/08/84
  4. Allowance11/01/88
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Owens-Illinois, Inc.

US

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Inventors

E. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

398.122 · 07/14/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

02/14/1984

RPI 695

Pedido de patente depositado

#2.1

08/23/1983

RPI 670

Carta-patente expirada

#21.1

Patente extinta em 07/07/98

07/01/2008

RPI 1956

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