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US3500166A Expired / Lapsed US ⏱️ 0.0 years remaining

Integrated three phase inverter system

Assignee: Lorain Products Corp
•
Filing: 1968-05-23
•
Granted: 1970-03-10
•
Expires: 1988-05-23
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Abstract

No abstract record available.

Inventors

  • 👤 Lee Orland Mesenhimer
  • 👤 Thomas W Grasmehr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:46
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/10; H02H7/12; H02H7/122; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/068; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/5157

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3139577A Cited
US3351841A Cited
US3424995A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-03-09 1973-09-08 1974-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-03-09 1977-09-08 1978-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-03-09 1981-09-08 1982-03-10 $7700.00 Window Closed / Lapsed

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