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Official data from INPI

SEPARADOR DE VAPOR CONDENSADO DO TIPO DE DISCO

Em ExigênciaInvention Patent

Application data

Number

PI8504169

Type

Invention Patent

Filing

08/29/1985

Publication

06/24/1986

Progress at the INPI

  1. Filing08/29/85
  2. Publication06/24/86
  3. Examination08/19/86
  4. Allowance08/06/91
  5. Grant04/28/92
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TLV Co.,Ltd.

JP

See this company's full portfolio

Inventors

T. O. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

59-156030 · 10/15/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Publicação do pedido de patente

#3.1

06/24/1986

RPI 818

Pedido de patente depositado

#2.1

11/12/1985

RPI 786

Carta-patente expirada

#21.1

Patente extinta em 29/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

04/28/1992

RPI 1117

Notificação para pagamento de retribuição

#13.1

12/03/1991

RPI 1096

Deferimento

#9.1

08/06/1991

RPI 1079

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