US3205395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-pressure discharge lamp inlead construction
Assignee: Osram GmbH
•
Filing: 1963-04-03
•
Granted: 1965-09-07
•
Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 Buchwald Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:18
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/35; H01J61/36; H01J61/366; H01J61/368
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A HIGH PRESSURE DISCHARGE LAMP COMPRISING A QUARTZ ENVELOPE HAVING TUBULAR NECKS JOINED THERETO, AND A STEM PRESS TUBE ASSEMBLY SEALED INTO EACH NECK, SAID STEM PRESS TUBE ASSEMBLY COMPRISING A CURRENT INLEAD INCLUDING ELECTRODE ROD, FOIL CONDUCTOR, AND OUTER CONDUCTOR JOINED IN SERIES, AND A QUARTZ STEM PRESS TUBE INCLUDING A FIRST SECTION ACCOMMODATING SAID ELECTRODE ROD IN A CLOSE FIT AND A SECOND SECTION PINCHED DOWN UPON SAID FOICONDUCTOR, SAID FIRST SECTION BEING HERMETICALLY JOINED TO THE ENVELOPE NECK WITHOUT BEING COLLAPSED UPON SAID ELECTRODE ROD.
Claim 2
Dependent Claim
88 words
A HIGH PRESSURE DISCHARGE LAMP COMPRISING A QUARTZ ENVELOPE HAVING TUBULAR NECKS JOINED THERETO, AND A STEM PRESS TUBE ASSEMBLY SEALED INTO EACH NECK, SAID STEM PRESS TUBE ASSEMBLY COMPRISING A CURRENT INLEAD INCLUDING ELECTRODE ROD, FOIL CONDUCTOR, AND OUTER CONDUCTOR JOINED IN SERIES, AND A QUARTZ STEM PRESS TUBE INCLUDING A FIRST SECTION ACCOMMODATING SAID ELECTRODE ROD IN A CLOSE FIT AND A SECOND SECTION PINCHED DOWN UPON SAID FOICONDUCTOR, SAID FIRST SECTION BEING HERMETICALLY JOINED TO THE ENVELOPE NECK WITHOUT BEING COLLAPSED UPON SAID ELECTRODE ROD.
References Cited (Backward Citations)
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Cited
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Cited
US2725498A
Cited
US2876377A
Cited
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |