Patent US3136230A successfully refreshed from Google Patents.
Patent US2817604A successfully refreshed from Google Patents.
US2817604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making transparent electro-conductive surfaced plastic articles
Assignee: Individual
•
Filing: 1953-03-04
•
Granted: 1957-12-24
•
Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Arnold S Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:28
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE PROCESS OF COATING A TRANSPARENT SUBSTRATE SELECTED FROM THE GROUP CONSISTING OF SYNTHETIC RESINS AND CELLULOSE ACETATE WITH AN ELECTRICALLY CONDUCTIVE ADHERENT COATING OF GRAPHITE, CONSISTING OF THE STEPS OF COATING A PLURALITY OF SUBSTANTIALLY SPHERICALLY SHAPED PARTICLES WITH FINELY DIVIDED GRAPHITE AND THEN GENTLY ROLLING SAID PLURALITY OF COATING SPHERICAL PARTICLES OVER SAID TRANSPARENT SUBSTRATE SOLEY BY THEIR OWN WEIGHT SO AS TO AVOID IMPACING SAID COATED PARTICLES AGAINST SAID SUBSTRATE, AND MAINTAINING SAID ROLLING STEP UNTIL THE SUBSTRATE HAS DEPOSITED THEREON A TRANSPARENT ELECTRICALLY CONDUCTIVE COATING.
Claim 2
Dependent Claim
89 words
THE PROCESS OF COATING A TRANSPARENT SUBSTRATE SELECTED FROM THE GROUP CONSISTING OF SYNTHETIC RESINS AND CELLULOSE ACETATE WITH AN ELECTRICALLY CONDUCTIVE ADHERENT COATING OF GRAPHITE, CONSISTING OF THE STEPS OF COATING A PLURALITY OF SUBSTANTIALLY SPHERICALLY SHAPED PARTICLES WITH FINELY DIVIDED GRAPHITE AND THEN GENTLY ROLLING SAID PLURALITY OF COATING SPHERICAL PARTICLES OVER SAID TRANSPARENT SUBSTRATE SOLEY BY THEIR OWN WEIGHT SO AS TO AVOID IMPACING SAID COATED PARTICLES AGAINST SAID SUBSTRATE, AND MAINTAINING SAID ROLLING STEP UNTIL THE SUBSTRATE HAS DEPOSITED THEREON A TRANSPARENT ELECTRICALLY CONDUCTIVE COATING.
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) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |