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Official data from INPI

MISTURADOR CONTINUO

ConcedidaInvention Patent

Application data

Number

PI7704638

Type

Invention Patent

Filing

06/15/1977

Publication

-

Progress at the INPI

  1. Filing06/15/77
  2. Publication
  3. Examination
  4. Allowance03/16/82
  5. Grant12/26/84
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FRENKEL AG C D

Inventors

M. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

11.8

10/02/1984

RPI 728

Arquivamento - Art. 38 §2° da LPI

#11.4

07/12/1983

RPI 664

Notificação para pagamento de retribuição

#13.1

07/06/1982

RPI 611

Deferimento

#9.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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