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US2915662A Expired / Lapsed US ⏱️ 0.0 years remaining

Centering arrangement and method for beams of cathode ray tubes

Assignee: National Video Corp
•
Filing: 1956-08-24
•
Granted: 1959-12-01
•
Expires: 1976-08-24
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Abstract

No abstract record available.

Inventors

  • 👤 Anacleto D Giacchetti

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:32
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/54

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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US2795717A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-11-30 1963-06-01 1963-12-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-11-30 1967-06-01 1967-12-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-11-30 1971-06-01 1971-12-01 $7700.00 Window Closed / Lapsed

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