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Official data from INPI

PROCESSO PARA CONTROLAR A COMPOSIÇÃO DE ESCÓRIA DE UM BANHO METAL

Em AnáliseInvention PatentPCT · US1985000677

Application data

Number

PI8506611

Type

Invention Patent

Filing

04/17/1985

Publication

04/15/1986

PCT

US1985000677

Progress at the INPI

  1. Filing04/17/85
  2. Publication04/15/86
  3. Examination12/22/87
  4. Allowance11/05/91
  5. Grant08/25/92
  6. Terminated12/24/96

The patent was granted on 08/25/1992 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: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

Union Carbide Industrial Gases Technology Corporation

US

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Inventors

B. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

601.286 · 04/17/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Pedido de licença compulsória

#20.1

04/20/1993

RPI 1168

Pedido de licença compulsória

#20.1

04/13/1993

RPI 1167

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

03/17/1992

RPI 1111

Deferimento

#9.1

11/05/1991

RPI 1092

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