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Official data from INPI

APARELHO PARA ELETRÓLISE DE SAL FUNDIDO

Em AnáliseInvention Patent

Application data

Number

PI8505592

Type

Invention Patent

Filing

11/07/1985

Publication

08/12/1986

Progress at the INPI

  1. Filing11/07/85
  2. Publication08/12/86
  3. Examination04/28/87
  4. Allowance11/12/91
  5. Grant08/25/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

JP

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Inventors

H. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

236988/84 · 11/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Carta-patente expirada

#21.1

Patente extinta em 07/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

03/31/1992

RPI 1113

Deferimento

#9.1

11/12/1991

RPI 1093

Exigência - art. 36 da LPI

#6.1

04/30/1991

RPI 1065

Conhecimento de parecer técnico

#7.1

10/02/1990

RPI 1035

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