US2962339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for concentrating flux in magnetic printing
Assignee: Raytheon Co
•
Filing: 1955-01-28
•
Granted: 1960-11-29
•
Expires: 1975-01-28
Abstract
No abstract record available.
Inventors
- 👤 Woo Way Dong
- 👤 Robert E Wilkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:26
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/44; B41J3/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2359617A
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US2561476A
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US2508953A
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US2511121A
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CH286694A
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US2791310A
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US2751433A
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US2672395A
Cited
FR1066549A
Cited
US2718849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |