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US1049398A Expired / Lapsed US ⏱️ 0.0 years remaining

Door-knob fastener.

Assignee: Individual
•
Filing: 1912-03-25
•
Granted: 1913-01-07
•
Expires: 1932-03-25
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Abstract

No abstract record available.

Inventors

  • 👤 Zachariah E Rice

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:31
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/04; Y; Y10; Y10T; Y10T292/00; Y10T292/85; Y10T292/858; Y10T292/861; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32459

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) 1916-01-07 1916-07-08 1917-01-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1920-01-07 1920-07-08 1921-01-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1924-01-07 1924-07-08 1925-01-07 $7700.00 Window Closed / Lapsed

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