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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8006446

Type

Invention Patent

Filing

10/07/1980

Publication

-

Progress at the INPI

  1. Filing10/07/80
  2. Publication
  3. Examination06/14/83
  4. Allowance01/03/84
  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

Hermann Traub GMBH & Co.

DE

Inventors

K. W. (pessoa física)

S. W. (pessoa física)

V. W. (pessoa física)

Technical data

IPC Classification

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

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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