US3472695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming an image in a magnetizable ink layer
Assignee: Agfa Gevaert NV
•
Filing: 1965-01-29
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Granted: 1969-10-14
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Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 Helmut Kaufer
- 👤 Erich Burger
- 👤 Hans-Peter Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:03
CPC Classifications
G; G03; G03B; G03B15/00; G03G; G03G19/00; G03G5/00; G03G5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126492A
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US2943908A
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US2884348A
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US2846333A
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US2793135A
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US3120806A
Cited
US3161544A
Cited
US3343174A
Cited
US3250636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |