Patent US2944484A successfully refreshed from Google Patents.
US2944484A
Expired / Lapsed
US
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Printing apparatus
Assignee: ALBERT VAN LUIT AND CO
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Filing: 1957-03-11
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Granted: 1960-07-12
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Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 John K Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:08
CPC Classifications
B; B41; B41F; B41F9/00; B41F9/01; B41F35/00; B41F35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189805311A
Cited
US783580A
Cited
US1154002A
Cited
US1807894A
Cited
US2363817A
Cited
US2574002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |