US2972298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of viscosity control in printing
Assignee: —
•
Filing: 1954-06-04
•
Granted: 1961-02-21
•
Expires: 1974-06-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/14; B41M1/18; B41F; B41F31/00; B41F31/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1354639A
Cited
US1805144A
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US1774778A
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US1969551A
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US2095877A
Cited
US2272406A
Cited
US2319853A
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US2226319A
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US2326321A
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US2556262A
Cited
US2651992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |