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US1217484A Expired / Lapsed US ⏱️ 0.0 years remaining

Magneto ignition system for internal-combustion engines.

Assignee: Motor Ignition & Devices Co
•
Filing: 1911-03-18
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Granted: 1917-02-27
•
Expires: 1931-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 John Lewis Milton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:49
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/20; H05B41/23; H05B41/232; H05B41/2325; B; B23; B23K; B23K9/00; B23K9/06; B23K9/073; B23K9/0738

Claims Analysis

Total Claims: 0
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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) 1920-02-27 1920-08-28 1921-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-02-27 1924-08-28 1925-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-02-27 1928-08-28 1929-02-27 $7700.00 Window Closed / Lapsed

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