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US704574A Expired / Lapsed US ⏱️ 0.0 years remaining

Power-transmission regulator for electromagnetic couplings.

Assignee: Individual
•
Filing: 1901-11-14
•
Granted: 1902-07-15
•
Expires: 1921-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Richard Pintsch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:18
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/26; H02P9/30; H02P9/305; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437

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) 1905-07-14 1906-01-13 1906-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1909-07-14 1910-01-13 1910-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1913-07-14 1914-01-13 1914-07-15 $7700.00 Window Closed / Lapsed

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