Patent US3045218A successfully refreshed from Google Patents.
US3045218A
Expired / Lapsed
US
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Magnetic data recording means
Assignee: Individual
•
Filing: 1956-11-23
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Granted: 1962-07-17
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Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Brand Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:40
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/44; B41J3/50; B41J3/51
Claims Analysis
Total Claims: 0
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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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |