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Official data from INPI

PROCESSO PARA FORMAR UMA CAMADA DE PLATINA SOBRE UMA OBRA DE TANTALO

ConcedidaInvention Patent

Application data

Number

PI7904399

Type

Invention Patent

Filing

07/12/1978

Publication

-

Progress at the INPI

  1. Filing07/12/78
  2. Publication
  3. Examination05/18/82
  4. Allowance01/29/85
  5. Grant07/30/85
  6. Terminated01/28/92

The patent was granted on 07/30/1985 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SYBRON CORP

See this company's full portfolio

Inventors

C. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/21/1985

RPI 761

Deferimento

#9.1

01/29/1985

RPI 745

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Conhecimento de parecer técnico

#7.1

11/08/1983

RPI 681

14.1

06/21/1983

RPI 661

Solicitação de exame técnico

#4.1

05/18/1982

RPI 604

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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