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Official data from INPI

FERRAMENTA MISTIRADORA E AMASSADORA, ESPECIALMENTE PARA UMA MÁQUINA AMASSADORA DE ALTAS ROTACÕES.

ConcedidaInvention Patent

Application data

Number

PI7906409

Type

Invention Patent

Filing

10/04/1979

Publication

-

Progress at the INPI

  1. Filing10/04/79
  2. Publication
  3. Examination
  4. Allowance10/25/83
  5. Grant04/24/84
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. Stephan U. Sohne GmbH & Co.

DE

Inventors

E. F. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 43 369.4 · 10/05/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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