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Official data from INPI

ENVOLTORIO INTERTRANÇADO E PROCESSO E APARELHO DE INTERTRANÇAR.

Em AnáliseInvention Patent

Application data

Number

PI7904457

Type

Invention Patent

Filing

07/13/1979

Publication

-

Progress at the INPI

  1. Filing07/13/79
  2. Publication
  3. Examination02/09/82
  4. Allowance05/02/84
  5. Grant11/27/84
  6. Terminated05/17/88

The patent was granted on 11/27/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. W. Chesterton Company

See this company's full portfolio

Inventors

K. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

924.520 · 07/14/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Deferimento

#9.1

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

09/27/1983

RPI 675

6.2

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

02/09/1982

RPI 590

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