US3043784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive printing ink
Assignee: Tribune Co
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Filing: 1958-12-22
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Granted: 1962-07-10
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Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert K Remer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:39
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/52; H; H01; H01B; H01B1/00; H01B1/20; H01B1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AN ELECTRICALLY CONDUCTIVE PRINTING INK COMPRISING BY WEIGHT FROM ABOUT 4 TO 15% OF CARBON BLACK AND FROM ABOUT 5 TO 20% OF NEUTRALIZED LIGNOSULFONATE INTIMATELY DISPERSED IN A VEHICLE CONTAINING FROM ABOUT 40 TO 55% BY WEIGHT OF WATER AND FROM ABOUT 15 AT 30% BY WEIGHT OF A MINERAL OIL BASED ON THE TOTAL COMPOSITION, SAID VEHICLE CONSISTING ESSENTIALLY OF AN OIL-IN-WATER DISPERSION.
Claim 2
Dependent Claim
65 words
AN ELECTRICALLY CONDUCTIVE PRINTING INK COMPRISING BY WEIGHT FROM ABOUT 4 TO 15% OF CARBON BLACK AND FROM ABOUT 5 TO 20% OF NEUTRALIZED LIGNOSULFONATE INTIMATELY DISPERSED IN A VEHICLE CONTAINING FROM ABOUT 40 TO 55% BY WEIGHT OF WATER AND FROM ABOUT 15 AT 30% BY WEIGHT OF A MINERAL OIL BASED ON THE TOTAL COMPOSITION, SAID VEHICLE CONSISTING ESSENTIALLY OF AN OIL-IN-WATER DISPERSION.
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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |