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Official data from INPI

ESTRUTURA DE TETO E PROCESSO DE ERIGIR A MESMA.

Em ExigênciaInvention Patent

Application data

Number

PI8502033

Type

Invention Patent

Filing

04/30/1985

Publication

12/31/1985

Progress at the INPI

  1. Filing04/30/85
  2. Publication12/31/85
  3. Examination06/24/86
  4. Allowance04/10/90
  5. Grant09/25/90
  6. Terminated03/10/92

The patent was granted on 09/25/1990 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. G. (pessoa física)

US

Inventors

D. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

608.424 · 05/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/08/1989

RPI 981

6.2

02/14/1989

RPI 956

Solicitação de exame técnico

#4.1

06/24/1986

RPI 818

Publicação do pedido de patente

#3.1

12/31/1985

RPI 793

Pedido de patente depositado

#2.1

07/09/1985

RPI 768

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Republicação - classificação IPC

#15.11

06/04/1991

RPI 1070

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/10/1990

RPI 1013

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