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Official data from INPI

UNIDADE DE PERFURAÇÃO DESTINADA A PRODUZIR FUROS BROQUEADOS.

Em AnáliseInvention Patent

Application data

Number

PI8102479

Type

Invention Patent

Filing

04/24/1981

Publication

01/05/1982

Progress at the INPI

  1. Filing04/24/81
  2. Publication01/05/82
  3. Examination06/15/82
  4. Allowance01/10/84
  5. Grant07/31/84
  6. Terminated06/20/95

The patent was granted on 07/31/1984 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: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

DE

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Inventors

F. [. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 15 999.0 · 04/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/10/1987

RPI 890

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Publicação do pedido de patente

#3.1

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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