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Official data from INPI

DISPOSITIVO DE REDUCAO DE VELOCIDADE PARA PECA DE MAO PARA TRATAMENTO DENTARIO

ConcedidaInvention Patent

Application data

Number

PI7801447

Type

Invention Patent

Filing

03/10/1977

Publication

-

Progress at the INPI

  1. Filing03/10/77
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant07/26/83
  6. Terminated09/18/90

The patent was granted on 07/26/1983 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MICRO MEGA SA

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Inventors

L. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Conhecimento de parecer técnico

#7.1

06/29/1982

RPI 610

Conhecimento de parecer técnico

#7.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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