US2761797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing conductive coating on a surface and the coated article
Assignee: American Optical Corp
•
Filing: 1951-03-05
•
Granted: 1956-09-04
•
Expires: 1971-03-05
Abstract
No abstract record available.
Inventors
- 👤 David G Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:45
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C2217/00; C03C2217/20; C03C2217/29; C03C2218/00; C03C2218/10; C03C2218/11; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A COATED ARTICLE OF THE CHARACTER DESCRIBED COMPRISING A SUBSTRATE HAVING A NORMALLY STATIS CHARGEABLE SURFACE AND A THIN TRANSPARENT, DURABLE, STABLE ELECTRICAL CHARGE CONDUCTIVE COATING THEREON, SAID COATING BEING FORMED OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICON DIOXIDE, TITANIUM OXIDE, AND MIXTURES THEREOF HAVING SUBSTANTIALLY UNIFORMLY DISPERSED THEREIN FROM ONE TO TWO-TENTHS OF ONE PER CENT LITHIUM CHLORIDE, SAID COATING BEING OF A POROUS NATURE SUCH AS TO MORE READILY PERMIT MOISTURE VAPOR TO GAIN ACCESS TO SAID DISPERSED LITHIUM CHLORIDE SO THAT, WHEN PROPERLY GROUNDED, THE COATING WILL BE INCREASINGLY CONDUCTIVE TO ELECTRICAL CHARGES, SAID COATING FURTHER BEING RESISTANT TO ABRASION, SHOCK, DISCOLORATING AND AGING UNDER VARYING HEAT AND ATMOSPHERIC INFLUENCE.
Claim 2
Dependent Claim
116 words
A COATED ARTICLE OF THE CHARACTER DESCRIBED COMPRISING A SUBSTRATE HAVING A NORMALLY STATIS CHARGEABLE SURFACE AND A THIN TRANSPARENT, DURABLE, STABLE ELECTRICAL CHARGE CONDUCTIVE COATING THEREON, SAID COATING BEING FORMED OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICON DIOXIDE, TITANIUM OXIDE, AND MIXTURES THEREOF HAVING SUBSTANTIALLY UNIFORMLY DISPERSED THEREIN FROM ONE TO TWO-TENTHS OF ONE PER CENT LITHIUM CHLORIDE, SAID COATING BEING OF A POROUS NATURE SUCH AS TO MORE READILY PERMIT MOISTURE VAPOR TO GAIN ACCESS TO SAID DISPERSED LITHIUM CHLORIDE SO THAT, WHEN PROPERLY GROUNDED, THE COATING WILL BE INCREASINGLY CONDUCTIVE TO ELECTRICAL CHARGES, SAID COATING FURTHER BEING RESISTANT TO ABRASION, SHOCK, DISCOLORATING AND AGING UNDER VARYING HEAT AND ATMOSPHERIC INFLUENCE.
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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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |