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US965519A Expired / Lapsed US ⏱️ 0.0 years remaining

Knob-lock.

Assignee: HILL LOCK Co
•
Filing: 1908-05-28
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Granted: 1910-07-26
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Expires: 1928-05-28
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Abstract

No abstract record available.

Inventors

  • 👤 Wilford A Hill

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 17:09
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/12; Y; Y10; Y10S; Y10S292/00; Y10S292/27; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5496; Y10T70/55; Y10T70/5504; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1913-07-25 1914-01-24 1914-07-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1917-07-25 1918-01-24 1918-07-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1921-07-25 1922-01-24 1922-07-26 $7700.00 Window Closed / Lapsed

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