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Official data from INPI

bucha de expansão não corrosiva.

Em AnáliseUtility Model

Application data

Number

MU6100877

Type

Utility Model

Filing

06/30/1981

Publication

02/08/1983

Progress at the INPI

  1. Filing06/30/81
  2. Publication02/08/83
  3. Examination01/24/84
  4. Allowance08/06/85
  5. Grant03/25/86
  6. Terminated05/24/88

The patent was granted on 03/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

Inventors

F. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

04/02/1985

RPI 754

Republicação - classificação IPC

#15.11

12/11/1984

RPI 738

Exigência - art. 36 da LPI

#6.1

10/30/1984

RPI 732

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

02/08/1983

RPI 642

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