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US2773979A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Lanteris Space LLC
•
Filing: 1953-02-02
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Granted: 1956-12-11
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Expires: 1973-02-02
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Edward Chatterton
  • 👤 Iii Joseph T Beardwood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:32
CPC Classifications
H; H03; H03D; H03D7/00; H03D7/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2171154A Cited
US2266670A Cited
US2617016A Cited
US2596117A Cited
US2621289A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-11 1960-06-11 1960-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-11 1964-06-11 1964-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-11 1968-06-11 1968-12-11 $7700.00 Window Closed / Lapsed

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