Patent US3015632A successfully refreshed from Google Patents.
US3015632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive printing ink and method of producing same
Assignee: Tribune Co
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Filing: 1956-12-31
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Granted: 1962-01-02
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Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Robert K Remer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:39
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A CATIONIC, ELECTRICALLY-CONDUCTIVE PRINTING INK COMPRISING A PIGMENT AND A VEHICLE COMPOSED OF THE REACTION PRODUCT OF AN OIL-MODIFIED ALKYD POLYCARBOXYLIC ACID-POLYHYDRIC ALCOHOL RESIN AND AN ALIPHATIC PRIMARY AMIDE OF HIGH MOLECULAR WEIGHT WHICH AMIDE IS SURFACE ACTIVE AND OF THE CATIONIC TYPE.
Claim 2
Dependent Claim
43 words
A CATIONIC, ELECTRICALLY-CONDUCTIVE PRINTING INK COMPRISING A PIGMENT AND A VEHICLE COMPOSED OF THE REACTION PRODUCT OF AN OIL-MODIFIED ALKYD POLYCARBOXYLIC ACID-POLYHYDRIC ALCOHOL RESIN AND AN ALIPHATIC PRIMARY AMIDE OF HIGH MOLECULAR WEIGHT WHICH AMIDE IS SURFACE ACTIVE AND OF THE CATIONIC TYPE.
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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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |