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Official data from INPI

Torre de resfriamento de líquidos.

Em AnáliseInvention Patent

Application data

Number

PI8206627

Type

Invention Patent

Filing

11/17/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing11/17/82
  2. Publication04/17/84
  3. Examination07/31/84
  4. Allowance03/19/85
  5. Grant10/01/85
  6. Terminated05/24/88

The patent was granted on 10/01/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ceramic Cooling Tower Company.

US

Inventors

B. J. (pessoa física)

G. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

388.906 · 06/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Cessão de direito de exploração

#22.1

08/05/1986

RPI 824

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

07/31/1984

RPI 719

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

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