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Official data from INPI

DISPOSITIVO DE COMPRESSAO COM DETERMINACAO DE PRESSAO

Em AnáliseInvention Patent

Application data

Number

PI8103493

Type

Invention Patent

Filing

06/04/1980

Publication

02/24/1982

Progress at the INPI

  1. Filing06/04/80
  2. Publication02/24/82
  3. Examination01/31/84
  4. Allowance08/13/85
  5. Grant03/25/86
  6. Terminated05/24/88

The patent was granted on 03/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KENDALL & CO

See this company's full portfolio

Inventors

A. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

8.1

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

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