US3435310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic high speed strip record accessing control circuitry
Assignee: International Business Machines Corp
•
Filing: 1966-12-22
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Granted: 1969-03-25
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Edward Franklin Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:02
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/20; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/21; G05B19/23; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41326; G05B2219/42; G05B2219/42073; G05B2219/43; G05B2219/43006; G05B2219/43194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3099781A
Cited
US3219895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |