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Official data from INPI

COMPOSICAO E PROCESSO PARA TRATAMENTO DE CARPETES E TAPETES, CARPETES TRATADOS E PROCESSO PARA PRODUZIR COMPOSTOS ATIVOS APLICAVEIS NOS MESMOS

ConcedidaInvention Patent

Application data

Number

PI8000429

Type

Invention Patent

Filing

01/24/1979

Publication

-

Progress at the INPI

  1. Filing01/24/79
  2. Publication
  3. Examination11/23/82
  4. Allowance08/06/85
  5. Grant03/25/86
  6. Expired05/16/95

The letters patent expired on 05/16/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

11/23/1982

RPI 631

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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