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Official data from INPI

ANEL DE VEDAÇÃO/REMOCÃO AUTO-RETENTOR.

Em AnáliseInvention Patent

Application data

Number

PI8105808

Type

Invention Patent

Filing

09/11/1981

Publication

06/08/1982

Progress at the INPI

  1. Filing09/11/81
  2. Publication06/08/82
  3. Examination09/21/82
  4. Allowance12/26/84
  5. Grant03/25/86
  6. In force09/11/01

The patent was granted on 03/25/1986 and is in force until 09/11/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:09/11/2001

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Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

DE

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Inventors

B. G. (pessoa física)

H. E. (pessoa física)

H. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 39 534.7 · 10/20/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

136

11/22/1988

RPI 944

121

08/18/1987

RPI 878

Pedido de licença voluntária

#17.1

03/24/1987

RPI 857

Concessão da patente

#16.1

03/25/1986

RPI 805

133

12/17/1985

RPI 791

110

11/19/1985

RPI 787

Recurso

#12.1

04/30/1985

RPI 758

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

6.4

10/18/1983

RPI 678

Exigência - art. 36 da LPI

#6.1

08/30/1983

RPI 671

Pedido de certificado de adição de invenção

#5.1

03/08/1983

RPI 646

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

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