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Official data from INPI

CONDENSADOR COM CURSO DE CIRCULAÇÃO DE PEQUENO DIÂMETRO HIDRÁULICO

Em AnáliseInvention Patent

Application data

Number

PI8604768

Type

Invention Patent

Filing

10/02/1986

Publication

06/30/1987

Progress at the INPI

  1. Filing10/02/86
  2. Publication06/30/87
  3. Examination11/07/89
  4. Allowance10/30/90
  5. Grant07/30/91
  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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Modine Manufacturing Company

US

See this company's full portfolio

Inventors

L. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

783.087 · 10/02/1985

US

902.697 · 09/05/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Publicação do pedido de patente

#3.1

06/30/1987

RPI 871

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 02/10/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

02/13/1991

RPI 1054

Deferimento

#9.1

10/30/1990

RPI 1039

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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