Patent US3075844A successfully refreshed from Google Patents.
US3075844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Newsinks having excellent rub-off characteristics
Assignee: Cabot Corp
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Filing: 1960-05-05
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Granted: 1963-01-29
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph P Hall
- 👤 John F Hardy
- 👤 Merrill E Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:38
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A NEWSINK HAVING EXCELLENT RUB-OFF CHARACTERISTICS WHICH COMPRISES MINERAL OIL, OIL FURNACE CARBON BLACK, AND BETWEEN ABOUT 5 AND ABOUT 25% BY WEIGHT OF SAID FURNACE CARBON BLACK OF A POTASSIUM SALT.
Claim 2
Dependent Claim
32 words
A NEWSINK HAVING EXCELLENT RUB-OFF CHARACTERISTICS WHICH COMPRISES MINERAL OIL, OIL FURNACE CARBON BLACK, AND BETWEEN ABOUT 5 AND ABOUT 25% BY WEIGHT OF SAID FURNACE CARBON BLACK OF A POTASSIUM SALT.
References Cited (Backward Citations)
US1524872A
Cited
US3010794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |