US3153169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge lamp
Assignee: Osram GmbH
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Filing: 1962-05-21
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Granted: 1964-10-13
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Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Bauer Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:51
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/12; H01J61/18; H01J61/125; H01J61/82; H01J61/827
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HIGH-PRESSURE VAPOR-DISCHARGE LAMP ADAPTED TO BE OPERATED WITH A PREDETERMINED POWER INPUT, SAID LAMP COMPRISING, A SEALED ELONGATED ENVELOPE OF PREDETERMINED EXTERNAL AND INTERNAL DIMENSIONS AND FORMED OF LIGHTTRANSMITTING MATERIAL HAVING A HIGH MELTING POINT, ELECTRODES OPERATIVELY DISPOSED WITHIN SAID ENVELOPE AND ADAPTED TO SUSTAIN AN ARC DISCHARGE THEREBETWEEN, A PREDETERMINED AMOUNT OF RARE-EARTH HALIDE ENCLOSED BY SAID ENVELOPE, SAID RARE-EARTH HALIDE WHEN IN MELTED STATE BEING LIGHT-TRANSMITTING AND COLORLESS, AND THE PREDETERMINED DIMENSIONS OF SAID ENVELOPE AND THE PREDETERMINED AMOUNT OF SAID HALIDE ENCLOSED BY SAID ENVELOPE BEARING SUCH RELATIONSHIP TO ONE ANOTHER THAT DURING NORMAL OPERATION OF SAID LAMP, ONLY A PORTION OF SAID HALIDE IS VAPORIZED AND RESIDUAL HALIDE IS MELTED AND ADHERES TO SAID ENVELOPE IN COLORLESS TRANSPARENT FORM.
Claim 2
Dependent Claim
124 words
A HIGH-PRESSURE VAPOR-DISCHARGE LAMP ADAPTED TO BE OPERATED WITH A PREDETERMINED POWER INPUT, SAID LAMP COMPRISING, A SEALED ELONGATED ENVELOPE OF PREDETERMINED EXTERNAL AND INTERNAL DIMENSIONS AND FORMED OF LIGHTTRANSMITTING MATERIAL HAVING A HIGH MELTING POINT, ELECTRODES OPERATIVELY DISPOSED WITHIN SAID ENVELOPE AND ADAPTED TO SUSTAIN AN ARC DISCHARGE THEREBETWEEN, A PREDETERMINED AMOUNT OF RARE-EARTH HALIDE ENCLOSED BY SAID ENVELOPE, SAID RARE-EARTH HALIDE WHEN IN MELTED STATE BEING LIGHT-TRANSMITTING AND COLORLESS, AND THE PREDETERMINED DIMENSIONS OF SAID ENVELOPE AND THE PREDETERMINED AMOUNT OF SAID HALIDE ENCLOSED BY SAID ENVELOPE BEARING SUCH RELATIONSHIP TO ONE ANOTHER THAT DURING NORMAL OPERATION OF SAID LAMP, ONLY A PORTION OF SAID HALIDE IS VAPORIZED AND RESIDUAL HALIDE IS MELTED AND ADHERES TO SAID ENVELOPE IN COLORLESS TRANSPARENT FORM.
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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |