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Official data from INPI

APERFEICOAMENTO EM DISPOSITIVO REGULADOR DO DISTANCIAMENTO DE CANOPLAS

Em AnáliseUtility Model

Application data

Number

MU6001111

Type

Utility Model

Filing

09/01/1980

Publication

05/04/1982

Progress at the INPI

  1. Filing09/01/80
  2. Publication05/04/82
  3. Examination07/20/82
  4. Allowance10/11/83
  5. Grant04/24/84
  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: 01/22/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. Y. (pessoa física)

Inventors

T. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

01/22/1985

RPI 744

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

05/03/1983

RPI 654

Solicitação de exame técnico

#4.1

07/20/1982

RPI 613

Publicação do pedido de patente

#3.1

05/04/1982

RPI 602

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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