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US2632838A Expired / Lapsed US ⏱️ 0.0 years remaining

Ultrahigh-frequency electromag-netic radiation heating method and apparatus

Assignee: General Electric Co
•
Filing: 1948-03-04
•
Granted: 1953-03-24
•
Expires: 1968-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 George W Schroeder

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:13
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/6408; H05B6/6411

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2151157A Cited
US2232179A Cited
US2263681A Cited
US2304958A Cited
US2364526A Cited
US2512604A Cited
US2495415A Cited
US2500752A Cited
US2495170A Cited
US2480679A Cited
US2467230A Cited
US2483933A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-03-23 1956-09-22 1957-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-03-23 1960-09-22 1961-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-03-23 1964-09-22 1965-03-24 $7700.00 Window Closed / Lapsed

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