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Official data from INPI

SISTEMA DE RECICLAGEM EM ÓLEO.

ConcedidaInvention Patent

Application data

Number

PI8106246

Type

Invention Patent

Filing

09/29/1981

Publication

06/15/1982

Progress at the INPI

  1. Filing09/29/81
  2. Publication06/15/82
  3. Examination08/21/84
  4. Allowance06/17/86
  5. Grant12/30/86
  6. Terminated08/07/90

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. H. (pessoa física)

Inventors

H. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

192.077 · 09/29/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

08/21/1984

RPI 722

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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