US3169205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lamp mount
Assignee: General Electric Co
•
Filing: 1961-04-05
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Granted: 1965-02-09
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Expires: 1981-04-05
Abstract
No abstract record available.
Inventors
- 👤 Harold R Kestner
- 👤 Robert A Kuebler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:19
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/34; H01J5/00; H01J5/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
A FLUORESCENT LAMP COMPRISING AN ELONGATED TUBULAR ENVELOPE INTERNALLY COATED WITH PHOSPHOR AND HAVING MOUNTS SEALED INTO THE ENDS THEREOF, AT LEAST ONE OF SAID MOUNTS COMPRISING A FLARED STEM TUBE AND AN EXHAUST TUBE PENETRATING THEREINTO AND FORMING A JUNCTURE THEREWITH CONSTITUTING A VITREOUS PRESS, LEAD-IN WIRES PROJECTING THROUGH SAID PRESS AND SUPPORTING A FILAMENT WITHIN AID LAMP, AND A BLOW-OUT APERTURE FORMED IN ONE SIDE OF SAID PRESS AND COMMUNICATING WITH SAID EXHAUST TUBE, SAID BLOWOUT APERTURE BEING FLARED OUTWARDLY AND WIDENED RELATIVE TO THE EXHAUST TUBE PASSAGE SO THAT A GAS JET ISSUING THEREFROM INTO SAID LAMP AT GAS FILL ISSUES WITH REDUCED VELOCITY AND IN A QUAI-AXIAL DIRECTION RELATIVE TO SAID ENVELOPE IN ORDER TO AVOID BLOWING PHOSPHOR OFF SAID ENVELOPE WALL.
References Cited (Backward Citations)
US2692347A
Cited
US2991386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |