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Official data from INPI

BUCHA PARA PARAFUSO

ConcedidaUtility Model

Application data

Number

MU5900342

Type

Utility Model

Filing

03/16/1979

Publication

-

Progress at the INPI

  1. Filing03/16/79
  2. Publication
  3. Examination
  4. Allowance12/07/82
  5. Grant06/28/83
  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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. D. (pessoa física)

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

Exigência - art. 36 da LPI

#6.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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