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Official data from INPI

ESTOJO DE LIGAÇAO E PROCESSO PARA O ENCAPSULAMENTO DE UMA LIGAÇAO

Em AnáliseInvention PatentPCT · US1985002589

Application data

Number

PI8507156

Type

Invention Patent

Filing

12/31/1985

Publication

07/14/1987

PCT

US1985002589

Progress at the INPI

  1. Filing12/31/85
  2. Publication07/14/87
  3. Examination09/13/88
  4. Allowance10/22/91
  5. Grant08/25/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

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Inventors

J. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

688.849 · 01/04/1985

US

794.948 · 11/01/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/13/1988

RPI 934

Notificação de entrada na fase nacional - PCT

#1.3

07/14/1987

RPI 873

Carta-patente expirada

#21.1

Patente extinta em 31/12/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

03/03/1992

RPI 1109

Deferimento

#9.1

10/22/1991

RPI 1090

Exigência - art. 36 da LPI

#6.1

04/23/1991

RPI 1064

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