US3076914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic field strength indicator
Assignee: General Electric Co
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Filing: 1960-06-20
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Granted: 1963-02-05
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Harry R Meahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:41
CPC Classifications
H; H01; H01J; H01J65/00; H01J65/04; H01J65/042; G; G01; G01R; G01R29/00; G01R29/08; G01R29/0864; G01R29/0878
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN ELECTRODELESS OMNIDIRECTIONAL ELECTROMAGNETIC FIELD STRENGTH SENSING AND INDICATING DEVICE COMPRISING A LIGHT TRANSPARENT AND RADIATION PERVIOUS HOLLOW SPHERE FILLED WITH AN INOIZABLE GAS MIXTURE, INCLUDING SUBSTANTIALLY 99% HELIUM AS THE MAIN IONIZABLE CONSTITUENT AND THE BALANCE MAINLY NEON TO STABILIZE IONIZATION VOLTAGE GRADIENT OF SAID MIXTURE, WHEREBY SAID GAS MIXTURE EMITS VISIBLE LIGHT UNDER THE INFLUENCE OF AN ELECTROMAGNETIC FIELD OF PREDETERMINED STRENGTH.
Claim 2
Dependent Claim
64 words
AN ELECTRODELESS OMNIDIRECTIONAL ELECTROMAGNETIC FIELD STRENGTH SENSING AND INDICATING DEVICE COMPRISING A LIGHT TRANSPARENT AND RADIATION PERVIOUS HOLLOW SPHERE FILLED WITH AN INOIZABLE GAS MIXTURE, INCLUDING SUBSTANTIALLY 99% HELIUM AS THE MAIN IONIZABLE CONSTITUENT AND THE BALANCE MAINLY NEON TO STABILIZE IONIZATION VOLTAGE GRADIENT OF SAID MIXTURE, WHEREBY SAID GAS MIXTURE EMITS VISIBLE LIGHT UNDER THE INFLUENCE OF AN ELECTROMAGNETIC FIELD OF PREDETERMINED STRENGTH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |