Patent US3192064A successfully refreshed from Google Patents.
US3192064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating
Assignee: National Research Corp
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Filing: 1961-11-22
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Granted: 1965-06-29
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Expires: 1981-11-22
Abstract
No abstract record available.
Inventors
- 👤 John Z Cerych
- 👤 Allen L Klibanoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:45
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/223; B; B22; B22F; B22F1/00; B22F1/18; C09; C09D; C09D11/00; C09D11/52; G; G03; G03G; G03G9/00; G03G9/08; G03G9/0825; B22F2999/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
AN ELECTROPRINTING INK COMPRISING POLYSTYRENE PARTICLES WITH A POROUS COATING OF A CONDUCTIVE METAL OVER THE PARTICLES AND WHEREIN THE METAL COATING IS SUFFICIENTLY POROUS TO ABSORB INCIDENT LIGHT AND APPEAR BLACK.
Claim 2
Dependent Claim
32 words
AN ELECTROPRINTING INK COMPRISING POLYSTYRENE PARTICLES WITH A POROUS COATING OF A CONDUCTIVE METAL OVER THE PARTICLES AND WHEREIN THE METAL COATING IS SUFFICIENTLY POROUS TO ABSORB INCIDENT LIGHT AND APPEAR BLACK.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |