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Assignee: VIRGIL BURNETTE
•
Filing: 1951-09-14
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Granted: 1953-07-21
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Expires: 1971-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 Carl H Chetlan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 20:14
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/081; H01Q1/082; B; B64; B64B; B64B1/00; B64B1/40; G; G08; G08B; G08B5/00; G08B5/002

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US827350A Cited
US1208232A Cited
US1490127A Cited
US2192450A Cited
US2395006A Cited
US2513579A Cited
US2574028A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-07-20 1957-01-19 1957-07-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-07-20 1961-01-19 1961-07-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-07-20 1965-01-19 1965-07-21 $7700.00 Window Closed / Lapsed

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