Patent US3290552A successfully refreshed from Google Patents.
US3290552A
Expired / Lapsed
US
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Apparatus for generating high-intensity light with high temperature particulate material
Assignee: Giannini Scientific Corp
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Filing: 1964-04-21
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Granted: 1966-12-06
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Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Delbert G Van Ornum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:14
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
APPARATUS FOR GENERATING HIGH-INTENSITY LIGHT, COMPRISING WALL MEANS TO DEFINE A CHAMBER AND HAVING A LIGHT-TRANSMISSIVE PORTION, MEANS TO INTRODUCE GAS CONTINUOUSLY INTO SAID CHAMBER AND TO EFFECT VORTICAL FLOW OF GAS THEREIN ABOUT A CENTRAL AXIS AND CONSEQUENT FORMATION OF A CANAL ALONG SAID AXIS, MEANS TO DRAIN GAS CONTINUOUSLY FROM SAID CHAMBER, MEANS TO INTRODUCE A PARTICULATE LIGHT-EMITTER SUBSTANCE DIRECTLY INTO SAID CANAL, FIRST AND SECOND ELECTRODE MEANS DISPOSED AT SPACED POINTS
Claim 2
Dependent Claim
74 words
APPARATUS FOR GENERATING HIGH-INTENSITY LIGHT, COMPRISING WALL MEANS TO DEFINE A CHAMBER AND HAVING A LIGHT-TRANSMISSIVE PORTION, MEANS TO INTRODUCE GAS CONTINUOUSLY INTO SAID CHAMBER AND TO EFFECT VORTICAL FLOW OF GAS THEREIN ABOUT A CENTRAL AXIS AND CONSEQUENT FORMATION OF A CANAL ALONG SAID AXIS, MEANS TO DRAIN GAS CONTINUOUSLY FROM SAID CHAMBER, MEANS TO INTRODUCE A PARTICULATE LIGHT-EMITTER SUBSTANCE DIRECTLY INTO SAID CANAL, FIRST AND SECOND ELECTRODE MEANS DISPOSED AT SPACED POINTS
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |