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US44223A Expired / Lapsed US ⏱️ 0.0 years remaining

Improved feathers for beds

Assignee: —
•
Filing: —
•
Granted: 1864-09-13
•
Expires: 1881-09-13
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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 2026-11-02 02:42
CPC Classifications
B; B68; B68G; B68G3/00; B68G3/08; A; A63; A63H; A63H27/00; A63H27/10; A63H2027/1008; Y; Y10; Y10S; Y10S5/00; Y10S5/948; Y10S5/949; Y10S5/95

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) 1867-09-13 1868-03-14 1868-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1871-09-13 1872-03-14 1872-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1875-09-13 1876-03-14 1876-09-13 $7700.00 Window Closed / Lapsed

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