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Official data from INPI

NUCLEO DE VALVULA PENUMATICA

ConcedidaUtility Model

Application data

Number

MU6100105

Type

Utility Model

Filing

01/23/1981

Publication

-

Progress at the INPI

  1. Filing01/23/81
  2. Publication
  3. Examination10/06/81
  4. Allowance02/14/84
  5. Grant12/26/84
  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.

Talk to a specialist

Latest action published by the INPI: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. S. (pessoa física)

Inventors

P. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

Cessão de direito de exploração

#22.1

04/17/1990

RPI 1014

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