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Official data from INPI

MÉTODO DE CONDICIONAMENTO DE AR CÍCLICO COM CO-GERAÇÀO DE GELO

Em AnáliseInvention Patent

Application data

Number

PI8505461

Type

Invention Patent

Filing

11/01/1985

Publication

08/05/1986

Progress at the INPI

  1. Filing11/01/85
  2. Publication08/05/86
  3. Examination08/02/88
  4. Allowance05/02/89
  5. Grant02/06/90
  6. Terminated06/04/96

The patent was granted on 02/06/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

Inventors

C. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

668.321 · 11/05/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

08/02/1988

RPI 928

Publicação do pedido de patente

#3.1

08/05/1986

RPI 824

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Anuidade - prazo legal encerrado

#18.2

06/04/1996

RPI 1331

Concessão da patente

#16.1

02/06/1990

RPI 1005

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