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US3192064A Expired / Lapsed US ⏱️ 0.0 years remaining

Coating

Assignee: National Research Corp
•
Filing: 1961-11-22
•
Granted: 1965-06-29
•
Expires: 1981-11-22
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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 02:22
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)

US2398517A Cited
US2846971A Cited
US2939804A Cited
US3003975A Cited

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

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