US3510846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: International Business Machines Corp
•
Filing: 1967-07-14
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Granted: 1970-05-05
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Expires: 1987-07-14
Abstract
No abstract record available.
Inventors
- 👤 Robert E Goldschmidt
- 👤 Don M Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:27
CPC Classifications
G; G06; G06F; G06F5/00; G06F5/01; G06F5/015; G11; G11C; G11C19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3210737A
Cited
US3274556A
Cited
US3239764A
Cited
US3311896A
Cited
US3350692A
Cited
US3374463A
Cited
US3374468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |