US3358167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jacketed discharge lamp
Assignee: General Electric Co
•
Filing: 1965-10-18
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Granted: 1967-12-12
•
Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Bruce E Shanks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:13
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/04; H; H01; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A DISCHARGE LAMP COMPRISING AN ELONGATED TUBULAR VITREOUS ENVELOPE HAVING AN INLEAD EXTENDING FROM AN END, AN ELONGATED RADIATION-TRANSMITTING SLEEVE SURROUNDING SAID ENVELOPE, A THERMALLY INSULATING SPACER AT SAID END OF SAID ENVELOPE, SAID SPACER HAVING A CENTRAL BORE ACCOMMODATING THE ENVELOPE END AND AN ANNULAR GROOVE ACCOMMODATING AN END OF SAID SLEEVE TO SUPPORT THE SLEEVE SPACED FROM THE ENVELOPE, AND A BASE COMPRISING AN ELECTRICALLY INSULATING BODY SUPPORTING AN ELECTRICAL CONTACT AND AN ANNULAR METAL SHELL ATTACHED THERETO, SAID METAL SHELL GRIPPING SAID SPACER TO FASTEN SAID BASE TO SAID SPACER WITH SAID BODY SPACED FROM THE END OF SAID GLASS ENVELOPE, SAID INLEAD BEING CONNECTED TO SAID ELECTRICAL CONTACT.
Claim 2
Dependent Claim
112 words
A DISCHARGE LAMP COMPRISING AN ELONGATED TUBULAR VITREOUS ENVELOPE HAVING AN INLEAD EXTENDING FROM AN END, AN ELONGATED RADIATION-TRANSMITTING SLEEVE SURROUNDING SAID ENVELOPE, A THERMALLY INSULATING SPACER AT SAID END OF SAID ENVELOPE, SAID SPACER HAVING A CENTRAL BORE ACCOMMODATING THE ENVELOPE END AND AN ANNULAR GROOVE ACCOMMODATING AN END OF SAID SLEEVE TO SUPPORT THE SLEEVE SPACED FROM THE ENVELOPE, AND A BASE COMPRISING AN ELECTRICALLY INSULATING BODY SUPPORTING AN ELECTRICAL CONTACT AND AN ANNULAR METAL SHELL ATTACHED THERETO, SAID METAL SHELL GRIPPING SAID SPACER TO FASTEN SAID BASE TO SAID SPACER WITH SAID BODY SPACED FROM THE END OF SAID GLASS ENVELOPE, SAID INLEAD BEING CONNECTED TO SAID ELECTRICAL CONTACT.
References Cited (Backward Citations)
US1990205A
Cited
US3179792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |