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Official data from INPI

Arruela auto-vedante.

ConcedidaInvention Patent

Application data

Number

PI8107724

Type

Invention Patent

Filing

11/27/1981

Publication

04/12/1983

Progress at the INPI

  1. Filing11/27/81
  2. Publication04/12/83
  3. Examination09/27/83
  4. Allowance10/30/84
  5. Grant03/25/86
  6. In force11/27/01

The patent was granted on 03/25/1986 and is in force until 11/27/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:11/27/2001

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Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

DE

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Inventors

P. J. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

G 81 03 909.3 · 02/13/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

110

11/05/1985

RPI 785

Recurso

#12.1

03/05/1985

RPI 750

Deferimento

#9.1

10/30/1984

RPI 732

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Pedido de certificado de adição de invenção

#5.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

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