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Official data from INPI

PROCESSO PARA DESCARBOXILAÇÃO DE COLOFÔNIOS DE MADEIRA

ConcedidaInvention Patent

Application data

Number

PI8406727

Type

Invention Patent

Filing

12/26/1984

Publication

10/22/1985

Progress at the INPI

  1. Filing12/26/84
  2. Publication10/22/85
  3. Examination10/13/87
  4. Allowance04/18/89
  5. Grant10/24/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Goodyear Tire & Rubber Company

US

See this company's full portfolio

Inventors

J. K. (pessoa física)

US

L. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

568.965 · 01/06/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/15/1989

RPI 982

Deferimento

#9.1

04/18/1989

RPI 965

6.3

02/08/1989

RPI 955

Exigência - art. 36 da LPI

#6.1

11/22/1988

RPI 944

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

10/22/1985

RPI 783

Pedido de patente depositado

#2.1

03/19/1985

RPI 752

Carta-patente expirada

#21.1

Patente extinta em 26/12/99

07/08/2008

RPI 1957

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