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Official data from INPI

MANDRILHADORA PORTÁTIL PARA USINAGEM DE FUROS, NO CAMPO

ConcedidaInvention Patent

Application data

Number

PI8301317

Type

Invention Patent

Filing

03/16/1983

Publication

10/23/1984

Progress at the INPI

  1. Filing03/16/83
  2. Publication10/23/84
  3. Examination11/11/86
  4. Allowance08/25/87
  5. Grant05/31/88
  6. Terminated04/18/95

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

See this company's full portfolio

Inventors

C. D. (pessoa física)

F. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

12/15/1987

RPI 895

Deferimento

#9.1

08/25/1987

RPI 879

Solicitação de exame técnico

#4.1

11/11/1986

RPI 838

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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