US3110833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple envelope high pressure mercury vapor discharge lamp
Assignee: Westinghouse Electric Corp
•
Filing: 1961-02-21
•
Granted: 1963-11-12
•
Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Daniel A Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:36
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
THE RADIATION-GENERATING COMBINATION WHICH COMPRISES: A HIGH-PRESSURE MERCURY-VAPOR-DISCHARGE QUARTZ ARC TUBE ADAPTED TO BE OPERATED WITH A PREDETERMINED POWER INPUT; AN OUTER ENVELOPE SURROUNDING SAID ARC TUBE; SAID ARC TUBE WHEN OPERATED EMITTING ULTRAVIOLET RADIATIONS, VISIBLE RADIATIONS AND INFRARED RADIATIONS, WITH ABOUT ONE-THIRD OF THE TOTAL ENERGY EMITTED FROM SAID ARC TUBE AS ULTRAVIOLET RADIATIONS; AN INTEMEDIATE ENVELOPE POSITIONED WITHIN SAID OUTER ENVELOPE AND PROXIMATE SAID ARC TUBE; A PREDETERMINED QUANTITY OF MERCURY CONTAINED WITHIN SAID INTERMEDIATE ENVELOPE AND EXTERIOR TO SAID ARC TUBE; THE SIZE AND LOCATION OF SAID INTERMEDIATE ENVELOPE WTIH RESPECT TO SAID ARC TUBE BEING SO SELECTED THAT WHEN SAID ARC TUBE IS OPERATED, THE MINIMUM TEMPERATURE WITHIN SAID INTERMEDIATE ENVELOPE IS AT LEAST ABOUT 375*C; AND DURING OPERATION OF SAID ARC TUBE AT LEAST A SUBSTANTIAL PORTION OF ALL OPTICAL PATHS THROUGH SAID PREDETERMINED QUANTITY OF MERCURY HAVING A VALUE OF AT LEAST 2, WITH
Claim 2
Dependent Claim
150 words
THE RADIATION-GENERATING COMBINATION WHICH COMPRISES: A HIGH-PRESSURE MERCURY-VAPOR-DISCHARGE QUARTZ ARC TUBE ADAPTED TO BE OPERATED WITH A PREDETERMINED POWER INPUT; AN OUTER ENVELOPE SURROUNDING SAID ARC TUBE; SAID ARC TUBE WHEN OPERATED EMITTING ULTRAVIOLET RADIATIONS, VISIBLE RADIATIONS AND INFRARED RADIATIONS, WITH ABOUT ONE-THIRD OF THE TOTAL ENERGY EMITTED FROM SAID ARC TUBE AS ULTRAVIOLET RADIATIONS; AN INTEMEDIATE ENVELOPE POSITIONED WITHIN SAID OUTER ENVELOPE AND PROXIMATE SAID ARC TUBE; A PREDETERMINED QUANTITY OF MERCURY CONTAINED WITHIN SAID INTERMEDIATE ENVELOPE AND EXTERIOR TO SAID ARC TUBE; THE SIZE AND LOCATION OF SAID INTERMEDIATE ENVELOPE WTIH RESPECT TO SAID ARC TUBE BEING SO SELECTED THAT WHEN SAID ARC TUBE IS OPERATED, THE MINIMUM TEMPERATURE WITHIN SAID INTERMEDIATE ENVELOPE IS AT LEAST ABOUT 375*C; AND DURING OPERATION OF SAID ARC TUBE AT LEAST A SUBSTANTIAL PORTION OF ALL OPTICAL PATHS THROUGH SAID PREDETERMINED QUANTITY OF MERCURY HAVING A VALUE OF AT LEAST 2, WITH
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |