US3102049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating the exterior surface of a fluorescent lamp envelope with silicone resins
Assignee: GTE Sylvania Inc
•
Filing: 1960-03-16
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Granted: 1963-08-27
•
Expires: 1980-03-16
Abstract
No abstract record available.
Inventors
- 👤 Robert F Quirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:40
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS FOR COATING THE EXTERNAL SURFACE OF AN ELECTRIC DISCHARGE LAMP, THE STEPS COMPRISING: FORMING A COMPOSITION CONSISTING OF A SOLVENT, DIMETHYLPOLYSILOXANE AND A PARTIALLY ALKOXYLATED SILICONE RESIN, SAID DIMETHYLPOLYSILOXANE AND SAID SILICONE RESIN EACH COMPRISING BETWEEN .05% AND .4% BY VOLUME OF SAID COMPOSITION AND COATING THE EXTERNAL SURFACE OF THE LAMPS BY ROLLING AT LEAST ONE COMPLETE REVOLUTION IN SAID COMPOSITION.
Claim 2
Dependent Claim
64 words
A PROCESS FOR COATING THE EXTERNAL SURFACE OF AN ELECTRIC DISCHARGE LAMP, THE STEPS COMPRISING: FORMING A COMPOSITION CONSISTING OF A SOLVENT, DIMETHYLPOLYSILOXANE AND A PARTIALLY ALKOXYLATED SILICONE RESIN, SAID DIMETHYLPOLYSILOXANE AND SAID SILICONE RESIN EACH COMPRISING BETWEEN .05% AND .4% BY VOLUME OF SAID COMPOSITION AND COATING THE EXTERNAL SURFACE OF THE LAMPS BY ROLLING AT LEAST ONE COMPLETE REVOLUTION IN SAID COMPOSITION.
References Cited (Backward Citations)
CA466317A
Cited
US2588393A
Cited
US2934519A
Cited
US2934235A
Cited
US2148558A
Cited
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Cited
GB807133A
Cited
US2955958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |