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Official data from INPI

ÁRVORE DE ENSAIO SUBMERSA E SISTEMA DE CONTROLE DE FLUXO

Em ExigênciaInvention Patent

Application data

Number

PI8202455

Type

Invention Patent

Filing

04/28/1982

Publication

04/12/1983

Progress at the INPI

  1. Filing04/28/82
  2. Publication04/12/83
  3. Examination04/09/85
  4. Allowance10/29/91
  5. Grant08/25/92
  6. Terminated11/29/94

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: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

See this company's full portfolio

Inventors

K. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

258.689 · 04/29/1981

US

329.920 · 12/11/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

03/10/1992

RPI 1110

Deferimento

#9.1

10/29/1991

RPI 1091

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