US3314871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cataphoretic deposition of luminescent materials
Assignee: CBS Broadcasting Inc
•
Filing: 1962-12-20
•
Granted: 1967-04-18
•
Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond F Heck
- 👤 Roland W Muehleisen
- 👤 Speigel Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:21
CPC Classifications
C; C25; C25D; C25D13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A PROCESS FOR FORMING A LUMINESCENT LAYER ON A SUBSTRATE, THE STEPS OF FORMING A THIN COATING OF A CONDUCTIVE VAPORIZABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF METALS AND METAL COMPOUNDS WITH VAPORIZATION TEMPERATURES BELOW THE SOFTENING POINT IN THE SUBSTRATE ON THE SUBSTRATE, UTILIZING SAID CONDUCTIVE COATING TO EFFECT CATAPHORETIC DEPOSITION OF A LAYER OF LUMINESCENT MATERIAL THEREON, AND REMOVING SAID CONDUCTIVE COATING BY HEATING IT TO A HIGH ENOUGH TEMPERATURE BELOW THE SOFTENING POINT OF THE SUBSTRATE AND FOR A SUFFICIENT PERIOD OF TIME TO VAPORIZE THE SAME, LEAVING SAID LUMINESCENT MATERIAL ON SAID SUBSTRATE.
Claim 2
Dependent Claim
99 words
IN A PROCESS FOR FORMING A LUMINESCENT LAYER ON A SUBSTRATE, THE STEPS OF FORMING A THIN COATING OF A CONDUCTIVE VAPORIZABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF METALS AND METAL COMPOUNDS WITH VAPORIZATION TEMPERATURES BELOW THE SOFTENING POINT IN THE SUBSTRATE ON THE SUBSTRATE, UTILIZING SAID CONDUCTIVE COATING TO EFFECT CATAPHORETIC DEPOSITION OF A LAYER OF LUMINESCENT MATERIAL THEREON, AND REMOVING SAID CONDUCTIVE COATING BY HEATING IT TO A HIGH ENOUGH TEMPERATURE BELOW THE SOFTENING POINT OF THE SUBSTRATE AND FOR A SUFFICIENT PERIOD OF TIME TO VAPORIZE THE SAME, LEAVING SAID LUMINESCENT MATERIAL ON SAID SUBSTRATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |