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Official data from INPI

MISTURA POLIMÉRICA PROTEGIDA CONTRA OXIDAÇÃO

DeferidaInvention Patent

Application data

Number

PI8400164

Type

Invention Patent

Filing

01/13/1984

Publication

08/28/1984

Progress at the INPI

  1. Filing01/13/84
  2. Publication08/28/84
  3. Examination10/14/86
  4. Allowance08/15/89
  5. Grant03/20/90
  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: 08/15/1989. 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. T. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

460.977 · 01/26/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/15/1989

RPI 982

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

10/14/1986

RPI 834

Publicação do pedido de patente

#3.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

03/20/1984

RPI 700

Carta-patente expirada

#21.1

Patente extinta em 13/01/99

07/08/2008

RPI 1957

Republicação - classificação IPC

#15.11

07/30/1991

RPI 1078

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/02/1990

RPI 1000

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