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Official data from INPI

COLETOR/DISTRIBUIDOR, ESPECIALMENTE UM TANQUE DE SUPRIMENTO OU DE RECEPÇÃO EM UM TROCADOR DE CALOR E PROCESSO PARA A SUA FABRICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8505468

Type

Invention Patent

Filing

11/01/1985

Publication

08/05/1986

Progress at the INPI

  1. Filing11/01/85
  2. Publication08/05/86
  3. Examination09/06/88
  4. Allowance07/18/89
  5. Grant06/26/90
  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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. A. (pessoa física)

NO

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Inventors

E. C. (pessoa física)

DK

Technical data

IPC Classification

Priority claims

NO

84.4355 · 11/02/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

11/07/1989

RPI 994

Deferimento

#9.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

08/05/1986

RPI 824

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Carta-patente expirada

#21.1

Patente extinta em 01/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/26/1990

RPI 1024

110

03/13/1990

RPI 1009

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