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Official data from INPI

CONSTRUÇÃO DE VEDAÇÃO MECÂNICA.

ConcedidaInvention Patent

Application data

Number

PI8102261

Type

Invention Patent

Filing

04/13/1981

Publication

11/24/1981

Progress at the INPI

  1. Filing04/13/81
  2. Publication11/24/81
  3. Examination11/22/83
  4. Allowance10/09/84
  5. Grant04/30/85
  6. Terminated06/20/95

The patent was granted on 04/30/1985 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

Inventors

H. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

140.388 · 04/14/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Publicação do pedido de patente

#3.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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