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Official data from INPI

APERFEIÇOAMENTOS INTRODUZIDOS EM CANETA ODONTOLÓGICA.

Em AnáliseInvention Patent

Application data

Number

PI8306539

Type

Invention Patent

Filing

11/29/1983

Publication

07/16/1985

Progress at the INPI

  1. Filing11/29/83
  2. Publication07/16/85
  3. Examination01/14/86
  4. Allowance01/22/91
  5. Grant09/24/91
  6. Terminated05/09/95

The patent was granted on 09/24/1991 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: 01/14/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dental Ag. Ltda

SP, BR

Inventors

J. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/14/1986

RPI 795

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/22/1991

RPI 1051

Conhecimento de parecer técnico

#7.1

06/12/1990

RPI 1022

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