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Official data from INPI

MATERIAL COMPÓSITO DE PERFLUORPOLÍMERO

Em AnáliseInvention Patent

Application data

Number

PI8401745

Type

Invention Patent

Filing

04/13/1984

Publication

11/27/1984

Progress at the INPI

  1. Filing04/13/84
  2. Publication11/27/84
  3. Examination01/06/87
  4. Allowance04/25/89
  5. Grant01/09/90
  6. Terminated06/06/95

The patent was granted on 01/09/1990 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

Inventors

F. K. (pessoa física)

US

J. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

484.594 · 04/13/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

01/06/1987

RPI 846

Publicação do pedido de patente

#3.1

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

Concessão da patente

#16.1

01/09/1990

RPI 1001

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