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US2815748A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: RADIO PATENTS Co
•
Filing: 1953-06-16
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Granted: 1957-12-10
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Expires: 1973-06-16
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Abstract

No abstract record available.

Inventors

  • 👤 Boucke Heinz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:04
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/024

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2273532A Cited
US2439495A Cited
US2406882A Cited
US2440278A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-12-09 1961-06-10 1961-12-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-09 1965-06-10 1965-12-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-09 1969-06-10 1969-12-10 $7700.00 Window Closed / Lapsed

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