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Official data from INPI

SEPARADOR ÀGUA-GÁS

Em AnáliseInvention Patent

Application data

Number

PI8600641

Type

Invention Patent

Filing

02/14/1986

Publication

10/29/1986

Progress at the INPI

  1. Filing02/14/86
  2. Publication10/29/86
  3. Examination12/23/86
  4. Allowance09/08/93
  5. Grant08/30/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 12/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TLV Co., Ltd.

JP

See this company's full portfolio

Inventors

K. F. (pessoa física)

JP

T. Y. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

60-205630 · 09/17/1985

JP

60-21053 · 02/15/1985

JP

60-234337 · 10/18/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/23/1986

RPI 844

Publicação do pedido de patente

#3.1

10/29/1986

RPI 836

Pedido de patente depositado

#2.1

08/05/1986

RPI 824

Carta-patente expirada

#21.1

Patente extinta em 14/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/24/1994

RPI 1225

9.1.3

02/01/1994

RPI 1209

Deferimento

#9.1

09/08/1993

RPI 1188

Exigência - art. 36 da LPI

#6.1

11/12/1991

RPI 1093

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