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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UM ELASTÔMERO MOLDADO POR INJEÇÃO DE REAÇÃO

DeferidaInvention Patent

Application data

Number

PI8402753

Type

Invention Patent

Filing

06/07/1984

Publication

05/14/1985

Progress at the INPI

  1. Filing06/07/84
  2. Publication05/14/85
  3. Examination10/06/87
  4. Allowance04/25/89
  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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

See this company's full portfolio

Inventors

R. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

502.397 · 06/08/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

9.1.3

08/08/1989

RPI 981

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

08/30/1988

RPI 932

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

11.8

08/11/1987

RPI 877

Retificação

#15.3

04/22/1987

RPI 861

Publicação do pedido de patente

#3.1

05/14/1985

RPI 760

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Carta-patente expirada

#21.1

Patente extinta em 07/06/99

07/08/2008

RPI 1957

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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