Patent US3274024A successfully refreshed from Google Patents.
US3274024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy converter
Assignee: Verizon Laboratories Inc
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Filing: 1962-11-16
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Granted: 1966-09-20
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Hill Robert Matteson
- 👤 Dore Burnell Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:23
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A DEVICE COMPRISING FIRST AND SECOND ELECTRICALLY CONDUCTIVE LAYERS, A THIN FILM OR BARRIER HAVING A THICKNESS WITHIN THE RANGE OF 20 TO 1000 ANGSTROMS INTERPOSED THEREBETWEEN, AND A CATHODULUMINESCENT PHOSPHOR LAYER ASSOCIATED WITH SAID FIRST AND SECOND LAYERS AND SAID BARRIER.
Claim 2
Independent Claim
42 words
A DEVICE COMPRISING FIRST AND SECOND ELECTRICALLY CONDUCTIVE LAYERS, A THIN FILM OR BARRIER HAVING A THICKNESS WITHIN THE RANGE OF 20 TO 1000 ANGSTROMS INTERPOSED THEREBETWEEN, AND A CATHODULUMINESCENT PHOSPHOR LAYER ASSOCIATED WITH SAID FIRST AND SECOND LAYERS AND SAID BARRIER.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |