US3018187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating a fluorescent type tube and the coated article
Assignee: Westinghouse Electric Corp
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Filing: 1959-03-20
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Granted: 1962-01-23
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Walter A Boyce
- 👤 Vernon L Plagge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:22
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/02; C09K11/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF STABILIZING THROUGHOUT LIFE THE STARTING VOLTAGE OF A LOW-PRESSURE POSITIVE-COLUMN MERCURYDISCHARGE DEVICE, WHICH METHOD COMPRISES APPLYING TO THE EXTERIOR SURFACE OF THE ENVELOPE OF SAID DEVICE A FIRST COATING COMPOSITION AND COATING VEHICLE COMPRISING A WATER SOLUTION OF THE REACTION PRODUCT OF ONE MOLE PART OF OCTADECYLSILICON TRICHLORIDE AND THREE MOLE PARTS OF DIETHANOLAMINE, AND THEREAFTER APPLYING OVER SAID FIRSTAPPLIED COATING COMPOSITION AND COATING VEHICLE A SECOND COATING COMPOSITION AND COATING VEHICLE COMPRISING A WATER EMULSION OF TRIMETHYLSILYL END-BLOCKED POLYDIMETHYLSILOXANE.
Claim 2
Independent Claim
83 words
THE METHOD OF STABILIZING THROUGHOUT LIFE THE STARTING VOLTAGE OF A LOW-PRESSURE POSITIVE-COLUMN MERCURYDISCHARGE DEVICE, WHICH METHOD COMPRISES APPLYING TO THE EXTERIOR SURFACE OF THE ENVELOPE OF SAID DEVICE A FIRST COATING COMPOSITION AND COATING VEHICLE COMPRISING A WATER SOLUTION OF THE REACTION PRODUCT OF ONE MOLE PART OF OCTADECYLSILICON TRICHLORIDE AND THREE MOLE PARTS OF DIETHANOLAMINE, AND THEREAFTER APPLYING OVER SAID FIRSTAPPLIED COATING COMPOSITION AND COATING VEHICLE A SECOND COATING COMPOSITION AND COATING VEHICLE COMPRISING A WATER EMULSION OF TRIMETHYLSILYL END-BLOCKED POLYDIMETHYLSILOXANE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |