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Official data from INPI

DISPOSITIVO SUPORTE E DE DESLOCAMENTO DE UMA FERRAMENTA NO INTERIOR DE UMA PERFURAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8102177

Type

Invention Patent

Filing

04/10/1981

Publication

12/01/1981

Progress at the INPI

  1. Filing04/10/81
  2. Publication12/01/81
  3. Examination12/27/83
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Framatome

FR

Framatome.

FR

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Inventors

D. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80-08430 · 04/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

12/01/1981

RPI 580

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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