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Official data from INPI

BOMBA DE ÊMBOLO E CONJUNTO DE CHAPA DE ORIFÍCIOS E MEMBRO DE ENCOSTO.

Em AnáliseInvention Patent

Application data

Number

PI7907640

Type

Invention Patent

Filing

11/26/1979

Publication

-

Progress at the INPI

  1. Filing11/26/79
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant08/30/83
  6. Terminated06/24/86

The patent was granted on 08/30/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Commercial Shearig, Inc.,

US

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Inventors

H. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

068.223 · 08/20/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

08/31/1982

RPI 619

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