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Official data from INPI

INTERLIGAÇÃO DE FECHAMENTO DE CAIXA DE PAPELÃO

ConcedidaInvention Patent

Application data

Number

PI8302063

Type

Invention Patent

Filing

04/20/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing04/20/83
  2. Publication12/27/83
  3. Examination04/22/86
  4. Allowance05/23/89
  5. Grant11/28/89
  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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Federal Paper Board Company, Inc.

US

Inventors

G. M. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

370,387 · 04/21/1982

US

370,557 · 04/21/1982

US

370,558 · 04/21/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Conhecimento de parecer técnico

#7.1

10/25/1988

RPI 940

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

04/22/1986

RPI 809

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

Carta-patente expirada

#21.1

Patente extinta em 20/04/98

07/01/2008

RPI 1956

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