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Official data from INPI

MECANISMO DE TRANSPORTE DE PESSOAS ENTRE PLATAFORMAS ESPAÇADAS.

ConcedidaInvention Patent

Application data

Number

PI8404635

Type

Invention Patent

Filing

09/14/1984

Publication

08/06/1985

Progress at the INPI

  1. Filing09/14/84
  2. Publication08/06/85
  3. Examination10/20/87
  4. Allowance06/28/88
  5. Grant03/28/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

E. P. (pessoa física)

H. B. (pessoa física)

US

Technical data

IPC Classification

No IPC classification.

Priority claims

US

532.436 · 09/15/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

10/20/1987

RPI 887

Republicação - classificação IPC

#15.11

11/26/1985

RPI 788

3.4

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

08/06/1985

RPI 772

Pedido de patente depositado

#2.1

11/27/1984

RPI 736

Carta-patente expirada

#21.1

Patente extinta em 14/09/99

07/08/2008

RPI 1957

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