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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8103828

Type

Invention Patent

Filing

06/17/1981

Publication

03/09/1982

Progress at the INPI

  1. Filing06/17/81
  2. Publication03/09/82
  3. Examination06/29/82
  4. Allowance01/03/84
  5. Grant06/26/84
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Jagenberg AG.

DE

Inventors

B. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

03/29/1988

RPI 910

20.7

03/29/1988

RPI 910

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

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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