US2722676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic information-storing device
Assignee: Clevite Corp
•
Filing: 1952-07-25
•
Granted: 1955-11-01
•
Expires: 1972-07-25
Abstract
No abstract record available.
Inventors
- 👤 Begun Semi Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:14
CPC Classifications
G; G06; G06K; G06K17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1941618A
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US2080100A
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US2178706A
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US2254933A
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US2124906A
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US2519725A
Cited
US2530029A
Cited
US2596741A
Cited
US2620389A
Cited
US2650830A
Cited
US2549071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |