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Official data from INPI

INSTALACAO E PROCESSO PARA ARMAZENAGEM E FORNECIMENTO DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI7902567

Type

Invention Patent

Filing

04/30/1978

Publication

-

Progress at the INPI

  1. Filing04/30/78
  2. Publication
  3. Examination04/13/82
  4. Allowance04/24/84
  5. Grant10/30/84
  6. Terminated05/17/88

The patent was granted on 10/30/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

W. J. (pessoa física)

Inventors

M. A. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Republicação - classificação IPC

#15.11

04/24/1984

RPI 705

Deferimento

#9.1

04/24/1984

RPI 705

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/20/1983

RPI 674

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

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