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Official data from INPI

PNEU

Em AnáliseInvention Patent

Application data

Number

PI8603916

Type

Invention Patent

Filing

08/15/1986

Publication

03/24/1987

Progress at the INPI

  1. Filing08/15/86
  2. Publication03/24/87
  3. Examination06/13/89
  4. Allowance12/26/90
  5. Grant07/30/91
  6. Terminated10/03/95

The patent was granted on 07/30/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Firestone Tire & Rubber Company

US

See this company's full portfolio

Inventors

L. S. (pessoa física)

US

L. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

766.385 · 08/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/13/1989

RPI 973

Publicação do pedido de patente

#3.1

03/24/1987

RPI 857

Pedido de patente depositado

#2.1

03/04/1987

RPI 854

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

04/09/1991

RPI 1062

Deferimento

#9.1

12/26/1990

RPI 1047

Exigência - art. 36 da LPI

#6.1

07/24/1990

RPI 1025

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