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Official data from INPI

FORRO ACÚSTICO E SEUS ELEMENTOS DE FORMAÇÃO E MONTAGEM.

Em AnáliseInvention Patent

Application data

Number

PI8301782

Type

Invention Patent

Filing

04/07/1983

Publication

10/04/1983

Progress at the INPI

  1. Filing04/07/83
  2. Publication10/04/83
  3. Examination01/10/84
  4. Allowance12/17/85
  5. Grant04/28/87
  6. Terminated04/25/95

The patent was granted on 04/28/1987 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. M. (pessoa física)

SP, BR

See this company's full portfolio

Inventors

H. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

01/10/1989

RPI 951

Pedido de licença voluntária

#17.1

01/19/1988

RPI 900

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

110

08/12/1986

RPI 825

Recurso

#12.1

04/08/1986

RPI 807

Deferimento

#9.1

12/17/1985

RPI 791

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Pedido de certificado de adição de invenção

#5.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação antecipada

#3.2

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

05/24/1983

RPI 657

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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