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US553868A Expired / Lapsed US ⏱️ 0.0 years remaining

Charles pi

Assignee: —
•
Filing: —
•
Granted: 1896-02-04
•
Expires: 1913-02-04
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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 08:38
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/06; E05C19/063; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/088

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) 1899-02-03 1899-08-05 1900-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1903-02-04 1903-08-06 1904-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1907-02-04 1907-08-06 1908-02-05 $7700.00 Window Closed / Lapsed

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