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Official data from INPI

ESTOJO PARA RESTAURACAO DENTAL E PROCESSO DE RESTAURACAO DE UMA LESAO POR EROSAO,NAO CAUSADA POR CARIE,NA REGIAO CERVICAL DE UM DENTE

Em AnáliseInvention Patent

Application data

Number

PI7705354

Type

Invention Patent

Filing

08/16/1976

Publication

-

Progress at the INPI

  1. Filing08/16/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/22/83
  6. Terminated07/12/88

The patent was granted on 02/22/1983 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PENNWALT CORP

See this company's full portfolio

Inventors

C. P. (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

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/28/1982

RPI 636

Exigência - art. 36 da LPI

#6.1

12/01/1981

RPI 580

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