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Official data from INPI

PROCESSO PARA A PREPARACAO E A TRASFEGA DE LIQUIDOS PARA RECIPIENTES

ConcedidaInvention Patent

Application data

Number

PI7902832

Type

Invention Patent

Filing

04/26/1978

Publication

-

Progress at the INPI

  1. Filing04/26/78
  2. Publication
  3. Examination
  4. Allowance03/22/83
  5. Grant11/29/83
  6. Expired07/26/94

The letters patent expired on 07/26/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOLSTEIN & KAPPERT GMBH

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Inventors

H. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

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