US2953750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic cable
Assignee: Individual
•
Filing: 1956-09-04
•
Granted: 1960-09-20
•
Expires: 1976-09-04
Abstract
No abstract record available.
Inventors
- 👤 Nicholas C Christofilos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:38
CPC Classifications
H; H05; H05H; H05H7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1645304A
Cited
US2299792A
Cited
US2683216A
Cited
US2473477A
Cited
US2639401A
Cited
US2599188A
Cited
US2736799A
Cited
US2808532A
Cited
US2844753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |