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Official data from INPI

FIBRAS DE P-ARAMIDA DE ALTA RESISTÊNCIA E MÓDULO ELEVADO E PROCESSO PARA A SUA PREPARAÇÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8900111

Type

Invention Patent

Filing

01/11/1989

Publication

03/01/1990

Progress at the INPI

  1. Filing01/11/89
  2. Publication03/01/90
  3. Examination10/08/91
  4. Allowance08/16/94
  5. Grant03/28/95
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

No applicants.

Inventors

K. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

226.645 · 08/01/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

02/21/1989

RPI 957

Carta-patente expirada

#21.1

Patente extinta em 11/01/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

12/13/1994

RPI 1254

Deferimento

#9.1

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

10/08/1991

RPI 1088

Publicação do pedido de patente

#3.1

03/01/1990

RPI 1007

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