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Official data from INPI

MONTAGEM PRÉ-EMBALADA DE PENEIRA DE POÇO E CARCAÇA

ConcedidaInvention Patent

Application data

Number

PI8304699

Type

Invention Patent

Filing

08/30/1983

Publication

11/06/1984

Progress at the INPI

  1. Filing08/30/83
  2. Publication11/06/84
  3. Examination05/20/86
  4. Allowance12/27/88
  5. Grant08/29/89
  6. Terminated02/18/92

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uop Inc.

US

See this company's full portfolio

Inventors

C. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

476,180 · 03/17/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Deferimento

#9.1

12/27/1988

RPI 949

Conhecimento de parecer técnico

#7.1

12/22/1987

RPI 896

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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