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Official data from INPI

APERFEICOAMENTO EM BOMBA DE COMBUSTIVEL

ConcedidaUtility Model

Application data

Number

MU6001232

Type

Utility Model

Filing

09/22/1980

Publication

06/01/1982

Progress at the INPI

  1. Filing09/22/80
  2. Publication06/01/82
  3. Examination08/10/82
  4. Allowance12/11/84
  5. Grant07/30/85
  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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

Inventors

D. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/11/1984

RPI 738

14.4

05/29/1984

RPI 710

Republicação - classificação IPC

#15.11

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

4.1.2

09/21/1982

RPI 622

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Publicação do pedido de patente

#3.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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