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Official data from INPI

APARELHO DE CORRIMÃO CONTINUAMENTE AUTO-REGULÁVEL.

ConcedidaInvention Patent

Application data

Number

PI8405481

Type

Invention Patent

Filing

10/26/1984

Publication

09/17/1985

Progress at the INPI

  1. Filing10/26/84
  2. Publication09/17/85
  3. Examination10/20/87
  4. Allowance05/24/88
  5. Grant02/28/89
  6. Terminated03/03/92

The patent was granted on 02/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

H. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

547.296 · 10/31/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/24/1988

RPI 918

Solicitação de exame técnico

#4.1

10/20/1987

RPI 887

Publicação do pedido de patente

#3.1

09/17/1985

RPI 778

Pedido de patente depositado

#2.1

01/15/1985

RPI 743

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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