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US3493125A Expired / Lapsed US ⏱️ 0.0 years remaining

Feeding apparatus for heavy bars and tubes

Assignee: ATC AUTOMATION DEVELOPMENT Corp A CORP OF OH
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Filing: 1967-04-26
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Granted: 1970-02-03
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Expires: 1987-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Frank F White
  • 👤 Norman J Tanno
  • 👤 Elmer T Chipps

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:06
CPC Classifications
B; B23; B23B; B23B13/00; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2514; Y10T82/2516; Y10T82/2518

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1901360A Cited
US2601494A Cited
US2540994A Cited
GB731945A Cited
US2751781A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-02 1973-08-04 1974-02-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-02 1977-08-04 1978-02-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-02 1981-08-04 1982-02-03 $7700.00 Window Closed / Lapsed

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