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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8106457

Type

Invention Patent

Filing

10/07/1981

Publication

06/22/1982

Progress at the INPI

  1. Filing10/07/81
  2. Publication06/22/82
  3. Examination06/05/84
  4. Allowance03/31/87
  5. Grant09/29/87
  6. Terminated03/19/96

The patent was granted on 09/29/1987 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: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

JP

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Inventors

K. T. (pessoa física)

K. T. (pessoa física)

K. H. (pessoa física)

S. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/01/1988

RPI 941

Concessão da patente

#16.1

09/29/1987

RPI 884

Deferimento

#9.1

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

10/01/1985

RPI 780

Republicação - classificação IPC

#15.11

06/11/1985

RPI 764

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Publicação do pedido de patente

#3.1

06/22/1982

RPI 609

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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