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Official data from INPI

MECANISMO PARA RECOLHER MATERIAL DE UMA PILHA ARMAZENADA.41

ConcedidaInvention Patent

Application data

Number

PI8101289

Type

Invention Patent

Filing

02/27/1981

Publication

-

Progress at the INPI

  1. Filing02/27/81
  2. Publication
  3. Examination10/25/83
  4. Allowance02/26/85
  5. Grant10/01/85
  6. Expired03/26/96

The letters patent expired on 03/26/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

A. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

125.539 · 02/28/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

06/25/1985

RPI 766

Deferimento

#9.1

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

07/03/1984

RPI 715

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

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