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Official data from INPI

COMPOSIÇÃO À BASE DE BORRACHA CURÁVEL

DeferidaInvention Patent

Application data

Number

PI8201470

Type

Invention Patent

Filing

03/17/1982

Publication

02/01/1983

Progress at the INPI

  1. Filing03/17/82
  2. Publication02/01/83
  3. Examination12/04/84
  4. Allowance10/31/89
  5. Grant05/29/90
  6. Terminated02/11/92

The patent was granted on 05/29/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Firestone Tire & Rubber Company

US

See this company's full portfolio

Inventors

J. D. (pessoa física)

US

R. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

244.846 · 03/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

05/16/1989

RPI 969

Exigência - art. 36 da LPI

#6.1

11/16/1988

RPI 943

Solicitação de exame técnico

#4.1

12/04/1984

RPI 737

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 15/02; C08K 5/09; C08J 5/12; B29H 17/00.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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