Patent US2997436A successfully refreshed from Google Patents.
US2997436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas ionizing and compressing device
Assignee: Individual
•
Filing: 1957-10-08
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Granted: 1961-08-22
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Expires: 1977-10-08
Abstract
No abstract record available.
Inventors
- 👤 Edward M Little
- 👤 David B Thomson
- 👤 Josephson Vernal
- 👤 Franklin Robert Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:49
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A DEVICE FOR PRODUCING HIGH ENERGY PLASMAS COMPRISING A SHOCK TUBE HAVING TAPERED END SECTIONS HERMETICALLY JOINED TO A MIDDLE STRAIGHT SECTION, EXCEEDINGLY LOW INDUCTANCE COILS SITUATED ABOUT EACH TAPERED END SECTION, SAID COILS HAVING A GEOMETRICAL CONFIGURATION SIMILAR TO THAT OF BUT SLIGHTLY LARGER THAN THE TAPERED END SECTION, AN EXCEEDINGLY LOW INDUCTANCE COIL SITUATED ABOUT THE SHOCK TUBE MIDDLE SECTION, MAGNETIC SHIELD MEANS SUPPORTED BETWEEN EACH OF THE TAPERED END SECTIONS AND THE MIDDLE STRAIGHT SECTION, A POTENTIAL SOURCE CONNECTED TO EACH OF SAID CONDUCTORS WHEREBY ENERGIZATION OF SAID END CONDUCTORS CAUSES THE GENERATION AND PROPULSION OF PLASMA MASSES INTO THE MIDDLE STRAIGHT SECTION AND THE GENERATION OF A RAPIDLY RISING MAGNETIC FIELD BY THE CONDUCTOR ABOUT THE MIDDLE SECTION CAUSES ADIABATIC HEATING OF SHOCK PRE-HEATED PLASMA.
Claim 2
Independent Claim
129 words
A DEVICE FOR PRODUCING HIGH ENERGY PLASMAS COMPRISING A SHOCK TUBE HAVING TAPERED END SECTIONS HERMETICALLY JOINED TO A MIDDLE STRAIGHT SECTION, EXCEEDINGLY LOW INDUCTANCE COILS SITUATED ABOUT EACH TAPERED END SECTION, SAID COILS HAVING A GEOMETRICAL CONFIGURATION SIMILAR TO THAT OF BUT SLIGHTLY LARGER THAN THE TAPERED END SECTION, AN EXCEEDINGLY LOW INDUCTANCE COIL SITUATED ABOUT THE SHOCK TUBE MIDDLE SECTION, MAGNETIC SHIELD MEANS SUPPORTED BETWEEN EACH OF THE TAPERED END SECTIONS AND THE MIDDLE STRAIGHT SECTION, A POTENTIAL SOURCE CONNECTED TO EACH OF SAID CONDUCTORS WHEREBY ENERGIZATION OF SAID END CONDUCTORS CAUSES THE GENERATION AND PROPULSION OF PLASMA MASSES INTO THE MIDDLE STRAIGHT SECTION AND THE GENERATION OF A RAPIDLY RISING MAGNETIC FIELD BY THE CONDUCTOR ABOUT THE MIDDLE SECTION CAUSES ADIABATIC HEATING OF SHOCK PRE-HEATED PLASMA.
References Cited (Backward Citations)
FR1132526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |