Patent US2960025A successfully refreshed from Google Patents.
US2960025A
Expired / Lapsed
US
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Drum printing assembly
Assignee: Gulf Oil Corp
•
Filing: 1956-12-11
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Granted: 1960-11-15
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Expires: 1976-12-11
Abstract
No abstract record available.
Inventors
- 👤 Isaac N Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:20
CPC Classifications
B; B41; B41F; B41F17/00; B41F17/08; B41F17/14; B41F17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2905082A
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US2780166A
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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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |