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Official data from INPI

MECANISMO COM MOVIMENTO ANGULAR PARA LIBERAÇÃO DE AVANÇO DO PAPEL

ConcedidaInvention Patent

Application data

Number

PI8502593

Type

Invention Patent

Filing

05/30/1985

Publication

02/04/1986

Progress at the INPI

  1. Filing05/30/85
  2. Publication02/04/86
  3. Examination02/23/88
  4. Allowance04/04/89
  5. Grant09/26/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

E. F. (pessoa física)

US

S. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

626.362 · 06/29/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Deferimento

#9.1

04/04/1989

RPI 963

Republicação - classificação IPC

#15.11

11/22/1988

RPI 944

Exigência - art. 36 da LPI

#6.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Publicação do pedido de patente

#3.1

02/04/1986

RPI 798

Pedido de patente depositado

#2.1

08/13/1985

RPI 773

Carta-patente expirada

#21.1

Patente extinta em 30/05/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

10/26/1993

RPI 1195

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