Patent US4601710B1 successfully refreshed from Google Patents.
US2648754A
Expired / Lapsed
US
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Electroconductive article
Assignee: PPG Industries Inc
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Filing: 1947-07-22
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Granted: 1953-08-11
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Expires: 1967-07-22
Abstract
No abstract record available.
Inventors
- 👤 William O Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:34
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10165; B32B17/10174; B32B17/10293; B32B17/10366; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
64 words
AN ELECTROCONDUCTIVE VIEWING CLOSURE WHICH COMPRISES A TRANSPARENT GLASS BASE, A TRANSPARENT ELECTROCONDUCTIVE METAL OXIDE COATING ON THE BASE AND A BUS BAR HAVING A THICKNESS NOT IN EXCESS OF 0.005 INCH ADHERENTLY BONDED TO THE COATED BASE AND IN ELECTRICAL CONTACT WITH THE COATING; THE SURFACE CONDUCTIVITY OF SAID BUS BAR BEING SUBSTANTIALLY HIGHER THAN THE SURFACE CONDUCTIVITY OF THE METAL OXIDE COATING.
Claim 2
Dependent Claim
64 words
AN ELECTROCONDUCTIVE VIEWING CLOSURE WHICH COMPRISES A TRANSPARENT GLASS BASE, A TRANSPARENT ELECTROCONDUCTIVE METAL OXIDE COATING ON THE BASE AND A BUS BAR HAVING A THICKNESS NOT IN EXCESS OF 0.005 INCH ADHERENTLY BONDED TO THE COATED BASE AND IN ELECTRICAL CONTACT WITH THE COATING; THE SURFACE CONDUCTIVITY OF SAID BUS BAR BEING SUBSTANTIALLY HIGHER THAN THE SURFACE CONDUCTIVITY OF THE METAL OXIDE COATING.
Claim 3
Independent Claim
56 words
A METHOD OF PREPARING AN ELECTROCONDUCTIVE ARTICLE WHICH COMPRISES COATING A GLASS BASE WITH A PAIR OF SPACED ELECTRICALLY CONDUCTING STRIPS COMPRISING A VITRIFYING BINDER AND EN ELECTROCONDUCTIVE METAL AND HEATING THE BASE TO A TEMPERATURE AT WHICH THE BINDER BECOMES VITRIFIED AND COATING THE HEATED BASE AND STRIPS WITH A TRANPARENT ELECTROCONDUCTIVE METAL OXIDE COATING.
Claim 4
Independent Claim
56 words
A METHOD OF PREPARING AN ELECTROCONDUCTIVE ARTICLE WHICH COMPRISES COATING A GLASS BASE WITH A PAIR OF SPACED ELECTRICALLY CONDUCTING STRIPS COMPRISING A VITRIFYING BINDER AND EN ELECTROCONDUCTIVE METAL AND HEATING THE BASE TO A TEMPERATURE AT WHICH THE BINDER BECOMES VITRIFIED AND COATING THE HEATED BASE AND STRIPS WITH A TRANPARENT ELECTROCONDUCTIVE METAL OXIDE COATING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |