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Official data from INPI

Disposições aplicadas em válvulas de passagem para molas hidráulicas.

Em AnáliseUtility Model
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Application data

Number

MU5901533

Type

Utility Model

Filing

11/14/1979

Publication

-
View on INPI

Progress at the INPI

  1. Filing11/14/79
  2. Publication
  3. Examination
  4. Allowance02/14/84
  5. Grant10/30/84
  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.

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Latest action published by the INPI: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gemiclo Indústria & Comércio Ltda

Inventors

G. R. (pessoa física)

Technical data

IPC Classification

F16K 25/02F16K 37/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

12/08/1987

RPI 894

20.7

09/22/1987

RPI 883

20.4

09/08/1987

RPI 881

20.4

09/01/1987

RPI 880

Cessão de direito de exploração

#22.1

09/01/1987

RPI 880

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

8.1

08/09/1983

RPI 668

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

11/09/1982

RPI 629

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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