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US434866A Expired / Lapsed US ⏱️ 0.0 years remaining

And the bell-rock electrical

Assignee: —
•
Filing: —
•
Granted: 1890-08-19
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Expires: 1907-08-19
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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 2026-10-22 22:21
CPC Classifications
B; B21; B21C; B21C25/00; B21C25/06

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) 1893-08-18 1894-02-17 1894-08-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1897-08-18 1898-02-17 1898-08-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1901-08-19 1902-02-18 1902-08-20 $7700.00 Window Closed / Lapsed

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