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Official data from INPI

PAINEL RETARDADOR DE CHAMA

PublicadaInvention Patent

Application data

Number

PI8801508

Type

Invention Patent

Filing

03/30/1988

Publication

11/08/1988

Progress at the INPI

  1. Filing03/30/88
  2. Publication11/08/88
  3. Examination09/25/90
  4. Allowance10/04/94
  5. Grant05/30/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gates Formed-Fibre Products, Inc

US

Inventors

E. T. (pessoa física)

US

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

034.258 · 04/03/1987

US

158.471 · 02/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/08/1988

RPI 942

Pedido de patente depositado

#2.1

07/26/1988

RPI 927

Carta-patente expirada

#21.1

Patente extinta em 30/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

02/07/1995

RPI 1262

Deferimento

#9.1

10/04/1994

RPI 1244

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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