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Official data from INPI

FERRAMENTA COM MECANISMO UNITÁRIO.

ConcedidaInvention Patent

Application data

Number

PI8101947

Type

Invention Patent

Filing

03/31/1981

Publication

10/06/1981

Progress at the INPI

  1. Filing03/31/81
  2. Publication10/06/81
  3. Examination11/08/83
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Expired09/24/96

The letters patent expired on 09/24/1996: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

US

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Inventors

S. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

137.035 · 04/03/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

11/08/1983

RPI 681

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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