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US543908A Expired / Lapsed US ⏱️ 0.0 years remaining

Door latch or bolt fastening

Assignee: —
•
Filing: —
•
Granted: 1895-08-06
•
Expires: 1912-08-06
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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 2026-10-28 05:49
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/18; E05B63/20; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1031; Y10T292/1043; Y10T292/1044; Y10T292/1075; Y10T292/1083; Y10T292/1091

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) 1898-08-05 1899-02-04 1899-08-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1902-08-06 1903-02-05 1903-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1906-08-06 1907-02-05 1907-08-07 $7700.00 Window Closed / Lapsed

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