US2901375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lamp coating process
Assignee: General Electric Co
•
Filing: 1957-08-07
•
Granted: 1959-08-25
•
Expires: 1977-08-07
Abstract
No abstract record available.
Inventors
- 👤 Milton E Patterson
- 👤 Kenneth E Luna
- 👤 William E Ishler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:42
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/221; H01J9/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF FORMING A LONGITUDINALLY EXTENDING REFLECTIVE BAND ALONG A PORTION OF THE INTERIOR OF AN ELONGATED TUBULAR ENVELOPE WHICH COMPRISES THE STEPS OF DEPOSITING A LONGITUDINALLY EXTENDING POOL OF COATING SUSPENSION ALONG THE BOTTOM OF THE ENVELOPE, SUPPORTING THE ENVELOPE HORIZONTALLY AND ROCKING IT ON ITS LONGITUDINAL AXIS THROUGH A PRESCRIBED ANGLE LESS THAN 360* IN ORDER TO SPREAD THE POOL CIRCUMFERENTIALLY THEREIN INTO A LONGITUDINALLY EXTENDING BAND.
Claim 2
Independent Claim
70 words
THE METHOD OF FORMING A LONGITUDINALLY EXTENDING REFLECTIVE BAND ALONG A PORTION OF THE INTERIOR OF AN ELONGATED TUBULAR ENVELOPE WHICH COMPRISES THE STEPS OF DEPOSITING A LONGITUDINALLY EXTENDING POOL OF COATING SUSPENSION ALONG THE BOTTOM OF THE ENVELOPE, SUPPORTING THE ENVELOPE HORIZONTALLY AND ROCKING IT ON ITS LONGITUDINAL AXIS THROUGH A PRESCRIBED ANGLE LESS THAN 360* IN ORDER TO SPREAD THE POOL CIRCUMFERENTIALLY THEREIN INTO A LONGITUDINALLY EXTENDING BAND.
References Cited (Backward Citations)
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AT14100B
Cited
US2023558A
Cited
US2182227A
Cited
US2158561A
Cited
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Cited
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Cited
GB697998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |