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Official data from INPI

Forno de carbonização e biomassa API.

ConcedidaInvention Patent

Application data

Number

PI8304160

Type

Invention Patent

Filing

07/28/1983

Publication

07/31/1984

Progress at the INPI

  1. Filing07/28/83
  2. Publication07/31/84
  3. Examination01/22/85
  4. Allowance04/22/86
  5. Grant03/17/87
  6. Terminated02/18/92

The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cia. Agrícola e Florestal SAnta Bárbara

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Republicação - classificação IPC

#15.11

01/07/1986

RPI 794

Solicitação de exame técnico

#4.1

01/22/1985

RPI 744

Publicação antecipada

#3.2

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

10/11/1983

RPI 677

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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