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Official data from INPI

PROCESSO PARA FABRICAR ARGILA TRATADA E MATERIAL DE REVESTIMENTO.

Em AnáliseInvention Patent

Application data

Number

PI8503292

Type

Invention Patent

Filing

07/09/1985

Publication

04/01/1986

Progress at the INPI

  1. Filing07/09/85
  2. Publication04/01/86
  3. Examination04/05/88
  4. Allowance06/25/91
  5. Grant09/29/92
  6. Terminated10/03/95

The patent was granted on 09/29/1992 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: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

D. D. (pessoa física)

US

R. J. (pessoa física)

US

Technical data

Priority claims

US

629.606 · 07/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Publicação do pedido de patente

#3.1

04/01/1986

RPI 806

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

09/29/1992

RPI 1139

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

01/02/1991

RPI 1048

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