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US183637A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in sash-holders

Assignee: —
•
Filing: —
•
Granted: 1876-10-24
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Expires: 1893-10-24
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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 01:46
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/22; Y; Y10; Y10S; Y10S292/00; Y10S292/73; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0993

Claims Analysis

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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) 1879-10-24 1880-04-24 1880-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1883-10-24 1884-04-24 1884-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1887-10-24 1888-04-24 1888-10-24 $7700.00 Window Closed / Lapsed

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