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Official data from INPI

DISPOSITIVO PROTETOR E REGULADOR DA TEMPERATURA E DA UMIDADE PARA CURA E SECAGEM EM ESTUFAS E SECADORAS DE GRÃOS E FOLHAS

ConcedidaInvention Patent

Application data

Number

PI8504630

Type

Invention Patent

Filing

09/18/1985

Publication

04/22/1987

Progress at the INPI

  1. Filing09/18/85
  2. Publication04/22/87
  3. Examination06/09/87
  4. Allowance02/28/89
  5. Grant10/24/89
  6. Terminated10/02/90

The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. L. (pessoa física)

RS, BR

Inventors

V. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação antecipada

#3.2

04/22/1987

RPI 861

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

Licença compulsória (variante)

#20.2

08/14/1990

RPI 1028

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