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Official data from INPI

ROLAMENTO SEMI-FLUTUANTE MELHORANDO

ConcedidaInvention Patent

Application data

Number

PI8302381

Type

Invention Patent

Filing

08/02/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing08/02/82
  2. Publication04/17/84
  3. Examination07/17/84
  4. Allowance09/17/85
  5. Grant05/27/86
  6. Terminated04/25/95

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROTO MASTER [US]

Inventors

J. E. (pessoa física)

M. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/21/1986

RPI 796

Deferimento

#9.1

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

07/17/1984

RPI 717

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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