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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM PRODUTO DE REAÇÃO DE ANTIOXIDANTE FENÓLICO AUTO-SINÉRGICO

PublicadaInvention Patent

Application data

Number

PI8801003

Type

Invention Patent

Filing

03/08/1988

Publication

10/11/1988

Progress at the INPI

  1. Filing03/08/88
  2. Publication10/11/88
  3. Examination12/18/90
  4. Allowance07/04/95
  5. Grant01/30/96
  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: 10/11/1988. 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

B. S. (pessoa física)

US

J. K. (pessoa física)

US

Technical data

Priority claims

US

023.343 · 03/09/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

Pedido de patente depositado

#2.1

07/12/1988

RPI 925

Carta-patente expirada

#21.1

Patente extinta em 08/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

11/14/1995

RPI 1302

Deferimento

#9.1

07/04/1995

RPI 1283

Solicitação de exame técnico

#4.1

12/18/1990

RPI 1046

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