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Official data from INPI

DISPOSITIVO DE TAMPA INTERNA

Em AnáliseUtility Model

Application data

Number

MU6301421

Type

Utility Model

Filing

10/05/1982

Publication

05/07/1985

Progress at the INPI

  1. Filing10/05/82
  2. Publication05/07/85
  3. Examination10/15/85
  4. Allowance09/30/86
  5. Grant08/25/87
  6. Terminated07/12/88

The patent was granted on 08/25/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAMUEL TIEGER ZELCHER [UY]

Inventors

Z. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Solicitação de exame técnico

#4.1

10/15/1985

RPI 782

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

12/06/1983

RPI 685

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