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Official data from INPI

INSTALAÇÃO PARA COLETA DE CAREPA FINA

ConcedidaInvention Patent

Application data

Number

PI8403028

Type

Invention Patent

Filing

06/20/1984

Publication

01/28/1986

Progress at the INPI

  1. Filing06/20/84
  2. Publication01/28/86
  3. Examination03/01/88
  4. Allowance12/13/88
  5. Grant09/26/89
  6. Terminated09/12/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)

MG, BR

See this company's full portfolio

Inventors

C. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Deferimento

#9.1

12/13/1988

RPI 947

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Publicação do pedido de patente

#3.1

01/28/1986

RPI 797

Pedido de patente depositado

#2.1

08/28/1984

RPI 723

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

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