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Official data from INPI

CAVILHA DE EXPANSÃO PARA ANCORAGEM EM MATERIAIS DE CONSTRUÇÃO POROSOS.

Em AnáliseInvention Patent

Application data

Number

PI8302012

Type

Invention Patent

Filing

04/19/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing04/19/83
  2. Publication12/27/83
  3. Examination05/15/84
  4. Allowance07/02/85
  5. Grant12/31/85
  6. Terminated10/10/89

The patent was granted on 12/31/1985 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

Inventors

F. [. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 32 14 440.7 · 04/20/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Pedido de licença compulsória

#20.1

04/05/1988

RPI 911

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Republicação - classificação IPC

#15.11

08/13/1985

RPI 773

Deferimento

#9.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

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