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Official data from INPI

COPO-LANCHEIRA ESCOLAR

Em AnáliseUtility Model

Application data

Number

MU6402062

Type

Utility Model

Filing

12/12/1984

Publication

07/08/1986

Progress at the INPI

  1. Filing12/12/84
  2. Publication07/08/86
  3. Examination12/16/86
  4. Allowance09/08/87
  5. Grant04/26/88
  6. Terminated09/26/89

The patent was granted on 04/26/1988 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

XENJI CHENG [BR]

Inventors

C. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

12/16/1986

RPI 843

Publicação do pedido de patente

#3.1

07/08/1986

RPI 820

Pedido de patente depositado

#2.1

03/26/1985

RPI 753

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