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US3005087A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable focusing, multi-beam, illuminating device

Assignee: Individual
•
Filing: 1958-07-28
•
Granted: 1961-10-17
•
Expires: 1978-07-28
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Abstract

No abstract record available.

Inventors

  • 👤 Michael R Klein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 05:26
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26; F21V21/28; F21V17/00; F21V17/02; F21W; F21W2131/00; F21W2131/20; F21W2131/205

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2097537A Cited
US2215635A Cited
US2574211A Cited
GB698922A Cited
US2859331A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-16 1965-04-17 1965-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-16 1969-04-17 1969-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-16 1973-04-17 1973-10-17 $7700.00 Window Closed / Lapsed

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