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Official data from INPI

SISTEMA DE COBERTURA DE TETO OU TELHADO

Prazo de SigiloInvention Patent

Application data

Number

PI8902489

Type

Invention Patent

Filing

05/31/1989

Publication

01/16/1990

Progress at the INPI

  1. Filing05/31/89
  2. Publication01/16/90
  3. Examination09/18/90
  4. Allowance06/04/96
  5. Grant06/24/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 07/11/1989. 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

H. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

200.280 · 05/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/11/1989

RPI 977

Carta-patente expirada

#21.1

Patente extinta em 31/05/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Notificação para pagamento de retribuição

#13.1

03/25/1997

RPI 1373

9.1.3

08/20/1996

RPI 1342

Deferimento

#9.1

06/04/1996

RPI 1331

14.4

11/22/1994

RPI 1251

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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