US3416150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic recording disc cartridge
Assignee: XEBEC
•
Filing: 1965-08-02
•
Granted: 1968-12-10
•
Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Lindberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:17
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/03; G11B23/032; G11B23/0321; G11B17/00; G11B17/02; G11B17/022; G11B17/028; G11B17/03; G11B23/50; G11B23/505
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3229268A
Cited
US3304544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |