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US3189901A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing ionization and luminous emission in a gas or vapor and apparatus for use therein

Assignee: Individual
•
Filing: 1963-11-04
•
Granted: 1965-06-15
•
Expires: 1983-11-04
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Abstract

No abstract record available.

Inventors

  • 👤 Cutolo Mario

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 08:06
CPC Classifications
H; H01; H01J; H01J65/00; H01J65/04; H01J65/042; H01J65/046; H05; H05H; H05H1/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 41 words
A METHOD FOR PRODUCING LUMINOSITY AND IONIZATION LOCALLY IN THE IONOSPHERE WHICH COMPRISES PROPAGATING INTO A PORTION OF THE IONOSPHERE A RADIO WAVE HAVING A FREQUENCY BETWEEN ABOUT 30 AND ABOUT 3000 MEGACYCLES/ SEC. AND MODULATED AT ABOUT THE LOCAL GYROFREQUENCY.
Claim 2
Independent Claim 41 words
A METHOD FOR PRODUCING LUMINOSITY AND IONIZATION LOCALLY IN THE IONOSPHERE WHICH COMPRISES PROPAGATING INTO A PORTION OF THE IONOSPHERE A RADIO WAVE HAVING A FREQUENCY BETWEEN ABOUT 30 AND ABOUT 3000 MEGACYCLES/ SEC. AND MODULATED AT ABOUT THE LOCAL GYROFREQUENCY.

References Cited (Backward Citations)

US1832672A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-14 1968-12-14 1969-06-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-14 1972-12-14 1973-06-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-14 1976-12-14 1977-06-15 $7700.00 Window Closed / Lapsed

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