US3255379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for generating light
Assignee: Giannini Scientific Corp
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Filing: 1963-07-26
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Granted: 1966-06-07
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Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:03
CPC Classifications
H; H05; H05B; H05B31/00; H05B31/0018; H05B31/0021; H01; H01J; H01J61/00; H01J2893/00; H01J2893/0063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A LIGHT SOURCE, COMPRISING FIRST AND SECOND NON-CONSUMABLE METAL ELECTRODES HAVING ARCING END PORTIONS DISPOSED OPPOSITE EACH OTHER ALONG A COMMON AXIS, SAID FIRST ELECTRODE HAVING A LARGE NUMBER OF SMALLDIAMETER PASSAGES FORMED THEREIN AND EXTENDING TO THE REGION OF SAID ARCING PORTION OF SAID FIRST ELECTRODE, LIGHT-TRANSMISSIVE WALL MEANS TO DEFINE A CHAMBER IN WHICH SAID ARCING END PORTIONS ARE DISPOSED, MEANS TO INTRODUCE GAS INTO SAID CHAMBER THROUGH SOME OF SAID SMALL-DIAMETER PASSAGES IN SAID FIRST ELECTRODE,
Claim 2
Dependent Claim
79 words
A LIGHT SOURCE, COMPRISING FIRST AND SECOND NON-CONSUMABLE METAL ELECTRODES HAVING ARCING END PORTIONS DISPOSED OPPOSITE EACH OTHER ALONG A COMMON AXIS, SAID FIRST ELECTRODE HAVING A LARGE NUMBER OF SMALLDIAMETER PASSAGES FORMED THEREIN AND EXTENDING TO THE REGION OF SAID ARCING PORTION OF SAID FIRST ELECTRODE, LIGHT-TRANSMISSIVE WALL MEANS TO DEFINE A CHAMBER IN WHICH SAID ARCING END PORTIONS ARE DISPOSED, MEANS TO INTRODUCE GAS INTO SAID CHAMBER THROUGH SOME OF SAID SMALL-DIAMETER PASSAGES IN SAID FIRST ELECTRODE,
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |