US2614167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static electromagnetic memory device
Assignee: Teleregister Corp
•
Filing: 1949-12-28
•
Granted: 1952-10-14
•
Expires: 1969-12-28
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Kamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:54
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/56; G11C11/5607
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1983388A
Cited
US2236793A
Cited
US2390051A
Cited
US2412046A
Cited
US2441984A
Cited
US2481282A
Cited
US2519513A
Cited
US2564403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |