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US981099A Expired / Lapsed US ⏱️ 0.0 years remaining

Door-lock.

Assignee: GEORGE M HARKER
•
Filing: 1909-10-21
•
Granted: 1911-01-10
•
Expires: 1929-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 James A Mclain
  • 👤 Harry A Brooks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 08:35
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; 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

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) 1914-01-09 1914-07-11 1915-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1918-01-09 1918-07-11 1919-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1922-01-09 1922-07-11 1923-01-10 $7700.00 Window Closed / Lapsed

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