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Official data from INPI

ESTRUTURA DE BOMBA HIDRÁULICA.

Em AnáliseInvention Patent

Application data

Number

PI7808767

Type

Invention Patent

Filing

12/26/1978

Publication

-

Progress at the INPI

  1. Filing12/26/78
  2. Publication
  3. Examination09/28/82
  4. Allowance05/31/83
  5. Grant03/27/84
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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: 03/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

See this company's full portfolio

Inventors

B. B. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

78/00239 · 12/26/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/22/1988

RPI 909

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F15B 13/09.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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