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Official data from INPI

Dispositivo para secar uma tela úmida de material fibroso.

Em AnáliseInvention Patent

Application data

Number

PI8303250

Type

Invention Patent

Filing

06/20/1983

Publication

02/07/1984

Progress at the INPI

  1. Filing06/20/83
  2. Publication02/07/84
  3. Examination08/21/84
  4. Allowance12/03/85
  5. Grant04/28/87
  6. Terminated07/12/88

The patent was granted on 04/28/1987 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

US

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Inventors

B. S. (pessoa física)

G. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

391.368 · 06/23/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

04/28/1987

RPI 862

110

01/13/1987

RPI 847

Recurso

#12.1

04/08/1986

RPI 807

Deferimento

#9.1

12/03/1985

RPI 789

Exigência - art. 36 da LPI

#6.1

07/16/1985

RPI 769

Pedido de certificado de adição de invenção

#5.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

08/21/1984

RPI 722

Publicação do pedido de patente

#3.1

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

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