US2904776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage system
Assignee: Consolidated Electrodynamics Corp
•
Filing: 1954-03-22
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Granted: 1959-09-15
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Expires: 1974-03-22
Abstract
No abstract record available.
Inventors
- 👤 Glyn A Neff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:28
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/12; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/30; G11B27/3027; G11B5/00; G11B5/012; G11B5/02; G11B5/09; G11B2220/00; G11B2220/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1832308A
Cited
US1799627A
Cited
US2207744A
Cited
US2614169A
Cited
US2700148A
Cited
US2682574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |