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US545149A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromagnetic tool

Assignee: —
•
Filing: —
•
Granted: 1895-08-27
•
Expires: 1912-08-27
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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 2026-10-24 15:30
CPC Classifications
B; B25; B25D; B25D11/00; B25D11/06; B25D11/064; H; H02; H02K; H02K33/00; H02K33/02; H02K33/04

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) 1898-08-26 1899-02-25 1899-08-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1902-08-27 1903-02-26 1903-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1906-08-27 1907-02-26 1907-08-28 $7700.00 Window Closed / Lapsed

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