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Official data from INPI

PROCESSO CONTÍNUO DE CARBONIZAÇÃO CONFORMADA.

Em AnáliseInvention Patent

Application data

Number

PI8105738

Type

Invention Patent

Filing

09/04/1981

Publication

04/19/1983

Progress at the INPI

  1. Filing09/04/81
  2. Publication04/19/83
  3. Examination02/21/84
  4. Allowance08/06/85
  5. Grant04/29/86
  6. Terminated07/12/88

The patent was granted on 04/29/1986 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

SP, BR

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

14.1

11/01/1983

RPI 680

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

10/20/1981

RPI 574

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