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Official data from INPI

MÓVEL DE ASSENTO DE TRABALHO.

ConcedidaInvention Patent

Application data

Number

PI8102728

Type

Invention Patent

Filing

05/04/1981

Publication

08/17/1982

Progress at the INPI

  1. Filing05/04/81
  2. Publication08/17/82
  3. Examination06/07/83
  4. Allowance10/23/84
  5. Grant03/25/86
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wilkhahn Wilkening + Hahne GMBH + Co.

DE

Inventors

F. K. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 36 993.8 · 10/01/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

110

11/26/1985

RPI 788

Recurso

#12.1

06/25/1985

RPI 766

132

04/30/1985

RPI 758

131

02/20/1985

RPI 748

Deferimento

#9.1

10/23/1984

RPI 731

Conhecimento de parecer técnico

#7.1

04/24/1984

RPI 705

Pedido de certificado de adição de invenção

#5.1

10/18/1983

RPI 678

Solicitação de exame técnico

#4.1

06/07/1983

RPI 659

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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