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Official data from INPI

RESERVATÓRIO PARA LÍQUIDO VEDÁVEL HERMETICANTE

ConcedidaUtility Model

Application data

Number

MU6101041

Type

Utility Model

Filing

07/31/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing07/31/81
  2. Publication03/01/83
  3. Examination05/21/85
  4. Allowance01/06/87
  5. Grant09/29/87
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 09/29/1987. 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

D. J. (pessoa física)

E. H. (pessoa física)

F. C. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

G 80 23 052.0 · 08/29/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

07/08/1986

RPI 820

Solicitação de exame técnico

#4.1

05/21/1985

RPI 761

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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