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Official data from INPI

SISTEMA A VACUO EM CILINDRO FUNDIDOR PARA MAQUINAS PLASTIFICADORAS

Em AnáliseInvention Patent

Application data

Number

PI8806431

Type

Invention Patent

Filing

12/07/1988

Publication

07/18/1989

Progress at the INPI

  1. Filing12/07/88
  2. Publication07/18/89
  3. Examination08/01/89
  4. Allowance12/24/91
  5. Grant01/26/93
  6. Terminated10/24/95

The patent was granted on 01/26/1993 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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

SP, BR

Radial Tecnograf. Maquinas Ltda.

SP, BR

Inventors

J. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/01/1989

RPI 980

Publicação antecipada

#3.2

07/18/1989

RPI 978

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

10/20/1992

RPI 1142

14.1

06/30/1992

RPI 1126

Deferimento

#9.1

12/24/1991

RPI 1099

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