US2863004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manifesting intelligence on record media
Assignee: International Business Machines Corp
•
Filing: 1955-12-09
•
Granted: 1958-12-02
•
Expires: 1975-12-09
Abstract
No abstract record available.
Inventors
- 👤 William R Maclay
- 👤 George W Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:16
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/58; G11B5/60; G11B5/6005; G11B5/004; G11B5/127; G11B5/17; G11B5/187; G11B5/1871
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB739554A
Cited
US2761016A
Cited
US2612566A
Cited
US2673249A
Cited
US2685492A
Cited
US2761910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |