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Official data from INPI

DISPOSICOES APERFEICOADAS DE CONSTRUCAO DE UMA EXTREMIDADE DE BASE

Em AnáliseUtility Model

Application data

Number

MU6000848

Type

Utility Model

Filing

07/14/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing07/14/80
  2. Publication03/09/82
  3. Examination02/21/84
  4. Allowance05/07/85
  5. Grant12/31/85
  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: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. L. (pessoa física)

Inventors

B. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/02/1986

RPI 828

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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