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US3120352A Expired / Lapsed US ⏱️ 0.0 years remaining

Spot light unit

Assignee: Individual
•
Filing: 1962-01-02
•
Granted: 1964-02-04
•
Expires: 1982-01-02
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Abstract

No abstract record available.

Inventors

  • 👤 Akita Tadayoshi
  • 👤 Ohta Tatsushi
  • 👤 Ito Yasuo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 17:47
CPC Classifications
F; F21; F21V; F21V5/00; F21V5/04; F21V5/045; F21V14/00; F21V14/06; F21V17/00; F21V17/02; F21V19/00; F21V19/02; F21V21/00; F21V21/14; F21V21/30; F21W; F21W2131/00; F21W2131/40; F21W2131/406

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2069950A Cited
US2173325A Cited
US2307301A Cited
US2827554A Cited
US3020395A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-03 1967-08-05 1968-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-03 1971-08-05 1972-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-03 1975-08-05 1976-02-04 $7700.00 Window Closed / Lapsed

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