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Official data from INPI

MECANISMO DE TRANCAMENTO

Em AnáliseInvention Patent

Application data

Number

PI8302041

Type

Invention Patent

Filing

04/22/1982

Publication

12/27/1983

Progress at the INPI

  1. Filing04/22/82
  2. Publication12/27/83
  3. Examination05/15/84
  4. Allowance10/01/85
  5. Grant05/27/86
  6. Terminated10/10/89

The patent was granted on 05/27/1986 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRACTECH INC [US]

Inventors

S. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/01/1985

RPI 780

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

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