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US721322A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: HENRY W SWEIGART
•
Filing: 1902-05-27
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Granted: 1903-02-24
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Expires: 1922-05-27
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Abstract

No abstract record available.

Inventors

  • 👤 Walter S Oberholtzer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 07:37
CPC Classifications
E; E05; E05B; E05B55/00; Y; Y10; Y10S; Y10S70/00; Y10S70/80; Y10T; Y10T137/00; Y10T137/7069; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5518; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/7859; Y10T70/7915; Y10T70/7932; Y10T70/7944

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1906-02-23 1906-08-25 1907-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1910-02-23 1910-08-25 1911-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1914-02-23 1914-08-25 1915-02-24 $7700.00 Window Closed / Lapsed

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