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Official data from INPI

Aperfeiçoamento em sistema de controle de umidade.

Em AnáliseInvention Patent

Application data

Number

PI7703310

Type

Invention Patent

Filing

05/23/1977

Publication

-

Progress at the INPI

  1. Filing05/23/77
  2. Publication
  3. Examination
  4. Allowance10/20/81
  5. Grant08/31/82
  6. Terminated05/10/88

The patent was granted on 08/31/1982 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

Inventors

M. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

689165 · 05/24/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/10/1988

RPI 916

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

Deferimento

#9.1

10/20/1981

RPI 574

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