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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM COMPOSTO

PublicadaInvention Patent

Application data

Number

PI8800989

Type

Invention Patent

Filing

03/07/1988

Publication

10/11/1988

Progress at the INPI

  1. Filing03/07/88
  2. Publication10/11/88
  3. Examination11/06/90
  4. Allowance03/28/95
  5. Grant10/31/95
  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: 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

J. K. (pessoa física)

US

K. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

023.735 · 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

05/31/1988

RPI 919

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 153/09.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 07/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

03/28/1995

RPI 1269

Solicitação de exame técnico

#4.1

11/06/1990

RPI 1040

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