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Official data from INPI

Processo e instalação para resfriamento de produtos a granel quentes.

Em AnáliseInvention Patent

Application data

Number

PI8101524

Type

Invention Patent

Filing

03/12/1981

Publication

-

Progress at the INPI

  1. Filing03/12/81
  2. Publication
  3. Examination08/16/83
  4. Allowance02/28/84
  5. Grant08/28/84
  6. Terminated01/17/89

The patent was granted on 08/28/1984 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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. A. (pessoa física)

AT

Inventors

B. G. (pessoa física)

Technical data

IPC Classification

Priority claims

AT

A 1351 · 03/12/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

01/17/1989

RPI 952

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

08/16/1983

RPI 669

3.4

10/27/1981

RPI 575

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