US3052815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure mercury vapor arc lamp
Assignee: INST DIVI THOMAE FOUNDATION
•
Filing: 1959-09-17
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Granted: 1962-09-04
•
Expires: 1979-09-17
Abstract
No abstract record available.
Inventors
- 👤 George S Sperti
- 👤 William J Lommel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:35
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/82; H01J61/822
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HIGH PRESSURE MERCURY VAPOR ARC DEVICE COMPRISING A BODY, MEANS AT ONE END OF SAID BODY FOR CONNECTION TO A SOURCE OF ELECTRICAL POWER, ADN A SOCKET AT THE OTHER END ADAPTED TO RECEIVE AN END OF AN ENVELOPE STRUCTURE, AN ENVELOPE STRUCTURE PERVIOUS TO ULTRA-VIOLET RADIATION AND HAVING A PRESS, SPACED FILAMENT MEANS FOR THE PRODUCTION OF A HIGH PRESSURE MERCURY VAPOR ARC SUPPORTED BY SAID PRESS, ONE OF SAID FILAMENT MEANS LOCATED NEAR THE OPPOSITE END OF SAID ENVELOPE, A REFLETOR ON SAID OPPOSITE END, ELECTRICAL CONTACT MEANS AT THE FIRST MENTIONED END OF SAID ENVELOPE ADAPTED TO COAT WITH THE ELECTRICAL CONTACTS IN THE SOCKET OF THE BODY AND CONNECTED WITH SAID FILAMENT MEANS THROUGH SAID PRESS, A RESISTIVE WIRE
Claim 2
Dependent Claim
124 words
A HIGH PRESSURE MERCURY VAPOR ARC DEVICE COMPRISING A BODY, MEANS AT ONE END OF SAID BODY FOR CONNECTION TO A SOURCE OF ELECTRICAL POWER, ADN A SOCKET AT THE OTHER END ADAPTED TO RECEIVE AN END OF AN ENVELOPE STRUCTURE, AN ENVELOPE STRUCTURE PERVIOUS TO ULTRA-VIOLET RADIATION AND HAVING A PRESS, SPACED FILAMENT MEANS FOR THE PRODUCTION OF A HIGH PRESSURE MERCURY VAPOR ARC SUPPORTED BY SAID PRESS, ONE OF SAID FILAMENT MEANS LOCATED NEAR THE OPPOSITE END OF SAID ENVELOPE, A REFLETOR ON SAID OPPOSITE END, ELECTRICAL CONTACT MEANS AT THE FIRST MENTIONED END OF SAID ENVELOPE ADAPTED TO COAT WITH THE ELECTRICAL CONTACTS IN THE SOCKET OF THE BODY AND CONNECTED WITH SAID FILAMENT MEANS THROUGH SAID PRESS, A RESISTIVE WIRE
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |