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Official data from INPI

UNIDADE ENTITADORA COM ROLOS DISTRIBUIDORES DE TINTA ALTERNANTES

ConcedidaInvention Patent

Application data

Number

PI8104959

Type

Invention Patent

Filing

07/31/1981

Publication

04/20/1982

Progress at the INPI

  1. Filing07/31/81
  2. Publication04/20/82
  3. Examination09/21/82
  4. Allowance09/04/84
  5. Grant04/30/85
  6. Expired11/19/96

The letters patent expired on 11/19/1996: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M.A.N. - Roland Druckmaschinen Aktiengesellschaft

DE

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Inventors

G. H. (pessoa física)

H. R. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 34 644.2 · 09/13/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

09/04/1984

RPI 724

6.5

03/27/1984

RPI 701

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Publicação do pedido de patente

#3.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

11/19/1996

RPI 1355

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