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Official data from INPI

COMPOSICAO DE VERNIZ PARA CAVIDADE DENTAL

ConcedidaInvention Patent

Application data

Number

PI8102201

Type

Invention Patent

Filing

04/14/1980

Publication

11/24/1981

Progress at the INPI

  1. Filing04/14/80
  2. Publication11/24/81
  3. Examination11/16/83
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Terminated08/30/94

The patent was granted on 11/29/1988 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: 11/29/1988. 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)

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

14.1

08/30/1988

RPI 932

Deferimento

#9.1

05/17/1988

RPI 917

Conhecimento de parecer técnico

#7.1

07/17/1984

RPI 717

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Publicação do pedido de patente

#3.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

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