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Official data from INPI

VÁLVULA E DISPOSITIVO PARA ENCHIMENTO DE LATAS COM LÍQUIDOS CARBONATADOS

ConcedidaInvention Patent

Application data

Number

PI8406658

Type

Invention Patent

Filing

12/21/1984

Publication

-

Progress at the INPI

  1. Filing12/21/84
  2. Publication
  3. Examination12/08/87
  4. Allowance08/02/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Crown Cork & Seal Company, Inc.

US

Inventors

C. Y. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

574,184 · 01/26/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Carta-patente expirada

#21.1

Patente extinta em 21/12/99

07/08/2008

RPI 1957

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