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Official data from INPI

APERFEIÇOAMENTO EM MÁQUINA TUFADORA

Em AnáliseInvention Patent

Application data

Number

PI8600061

Type

Invention Patent

Filing

01/09/1986

Publication

09/01/1987

Progress at the INPI

  1. Filing01/09/86
  2. Publication09/01/87
  3. Examination03/08/88
  4. Allowance08/08/89
  5. Grant05/29/90
  6. Terminated03/10/92

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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Matsu Produtos Elétricos e Plásticos Ltda.

SP, BR

Inventors

T. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

Deferimento

#9.1

08/08/1989

RPI 981

Solicitação de exame técnico

#4.1

03/08/1988

RPI 907

Publicação do pedido de patente

#3.1

09/01/1987

RPI 880

Pedido de patente depositado

#2.1

04/15/1986

RPI 808

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Concessão da patente

#16.1

05/29/1990

RPI 1020

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