US2624823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroconductive article
Assignee: PPG Industries Inc
•
Filing: 1949-06-23
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Granted: 1953-01-06
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Expires: 1969-06-23
Abstract
No abstract record available.
Inventors
- 👤 William O Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:15
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3613; C03C17/006; C03C17/007; C03C17/3411; C03C17/3417; C03C17/3607; C03C17/3618; C03C17/3642; C03C17/3655; C03C17/3668; C03C17/3671; C03C17/3673; C03C17/3684; C03C8/00; C03C8/14; C03C8/16; H; H01; H01B; H01B1/00; C03C2217/00; C03C2217/40; C03C2217/425; C03C2217/43; C03C2217/44; C03C2217/45; C03C2217/452; C03C2217/46; C03C2217/48; C03C2217/485; C03C2217/90; C03C2217/94; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24752
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AN ARTICLE OF MANUFACTURE WHICH COMPRISES A REFRACTORY BASE HAVING THEREON A PAIR OF LATERALLY SPACED ELECTROCONDUCTIVE BUS BARS AND A TRANSPARENT ELECTROCONDUCTIVE METAL OXIDE COATING, SAID BUS BARS AND METAL OXIDE COATING BEING BONDED TO THE REFRACTORY BASE BY A ROUGH INTERMEDIATE LAYER CONTAINING PULVERULENT GRANULAR REFRACTORY PARTICLES.
Claim 2
Dependent Claim
49 words
AN ARTICLE OF MANUFACTURE WHICH COMPRISES A REFRACTORY BASE HAVING THEREON A PAIR OF LATERALLY SPACED ELECTROCONDUCTIVE BUS BARS AND A TRANSPARENT ELECTROCONDUCTIVE METAL OXIDE COATING, SAID BUS BARS AND METAL OXIDE COATING BEING BONDED TO THE REFRACTORY BASE BY A ROUGH INTERMEDIATE LAYER CONTAINING PULVERULENT GRANULAR REFRACTORY PARTICLES.
References Cited (Backward Citations)
US2429420A
Cited
US2475379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |