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Official data from INPI

MATERIAL DE FRICÇÃO APERFEIÇOADO, COM BASE FLUOROELASTOMÉRICA

Em AnáliseInvention Patent

Application data

Number

PI8400740

Type

Invention Patent

Filing

02/20/1984

Publication

10/02/1984

Progress at the INPI

  1. Filing02/20/84
  2. Publication10/02/84
  3. Examination08/19/86
  4. Allowance07/11/89
  5. Grant02/06/90
  6. Terminated09/05/95

The patent was granted on 02/06/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Raymark Industries, Inc.

US

Inventors

J. A. (pessoa física)

US

M. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

469,147 · 02/24/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/11/1989

RPI 977

Exigência - art. 36 da LPI

#6.1

12/06/1988

RPI 946

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Publicação do pedido de patente

#3.1

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

Concessão da patente

#16.1

02/06/1990

RPI 1005

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