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US300451A Expired / Lapsed US ⏱️ 0.0 years remaining

William dowattam

Assignee: —
•
Filing: —
•
Granted: 1884-06-17
•
Expires: 1901-06-17
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:58
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0011; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/4588; Y10T24/45906; Y10T24/45932; Y10T24/49; Y10T24/492; Y10T24/493; Y10T24/495

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) 1887-06-17 1887-12-17 1888-06-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1891-06-17 1891-12-17 1892-06-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1895-06-17 1895-12-17 1896-06-17 $7700.00 Window Closed / Lapsed

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