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Official data from INPI

DISPOSITIVO PATA TORNEAÇÃO PLANA E PARA TORNEAÇÃO EM PROFUNDIDADE.

ConcedidaInvention Patent

Application data

Number

PI8006447

Type

Invention Patent

Filing

10/07/1980

Publication

-

Progress at the INPI

  1. Filing10/07/80
  2. Publication
  3. Examination
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Emil Wohlhaupter & Co.

DE

Inventors

G. H. (pessoa física)

W. G. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 29 40 827.3 · 10/09/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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