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Official data from INPI

UNIDADE IMPULSORA.

Em ExigênciaInvention Patent

Application data

Number

PI8503187

Type

Invention Patent

Filing

07/03/1985

Publication

03/25/1986

Progress at the INPI

  1. Filing07/03/85
  2. Publication03/25/86
  3. Examination04/05/88
  4. Allowance01/09/90
  5. Grant08/28/90
  6. Terminated10/03/95

The patent was granted on 08/28/1990 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: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. B. (pessoa física)

CH

Inventors

E. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

3 243/84-8 · 07/05/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/09/1989

RPI 968

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/01/1990

RPI 1016

Deferimento

#9.1

01/09/1990

RPI 1001

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