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Official data from INPI

SECADOR E PROCESSO DE SECAGEM DOS COMBUSTÍVEIS SÓLIDOS PARA ALIMENTAR CALDEIRAS E OUTROS.

ConcedidaInvention Patent

Application data

Number

PI8302669

Type

Invention Patent

Filing

05/20/1983

Publication

10/02/1984

Progress at the INPI

  1. Filing05/20/83
  2. Publication10/02/84
  3. Examination02/12/85
  4. Allowance07/08/86
  5. Grant04/28/87
  6. Terminated02/18/92

The patent was granted on 04/28/1987 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: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CASALE EQUIPAMENTOS LTDA [BR]

Inventors

C. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Republicação - classificação IPC

#15.11

09/03/1985

RPI 776

Exigência - art. 36 da LPI

#6.1

08/06/1985

RPI 772

Solicitação de exame técnico

#4.1

02/12/1985

RPI 747

Publicação antecipada

#3.2

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

07/05/1983

RPI 663

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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