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Official data from INPI

VALVULA DE CONTROLE REFRIGERADA PARA CANALIZACOES DE GAS QUENTE E O RESPECTIVO APOIO REFRIGERADO

Em AnáliseInvention Patent

Application data

Number

PI7808256

Type

Invention Patent

Filing

12/19/1977

Publication

-

Progress at the INPI

  1. Filing12/19/77
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant10/18/83
  6. Terminated06/14/88

The patent was granted on 10/18/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIDEPAL SA

Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

10/18/1983

RPI 678

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

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