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Official data from INPI

APARELHO INTRODUTOR DE SUBSTANCIA OBTURADORA EM CANAIS RADICULARES DENTARIOS

Em AnáliseInvention Patent

Application data

Number

PI8002388

Type

Invention Patent

Filing

04/18/1980

Publication

12/01/1981

Progress at the INPI

  1. Filing04/18/80
  2. Publication12/01/81
  3. Examination08/10/82
  4. Allowance12/13/83
  5. Grant08/28/84
  6. Terminated09/26/89

The patent was granted on 08/28/1984 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

M. D. (pessoa física)

Inventors

D. P. (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

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Exigência - art. 36 da LPI

#6.1

06/21/1983

RPI 661

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Publicação do pedido de patente

#3.1

12/01/1981

RPI 580

Republicação - classificação IPC

#15.11

A classificação anterior era: A61C 5/04

07/25/2017

RPI 2429

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