US3045209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Checking system for data selection network
Assignee: International Business Machines Corp
•
Filing: 1959-04-15
•
Granted: 1962-07-17
•
Expires: 1979-04-15
Abstract
No abstract record available.
Inventors
- 👤 James H Pomerene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:54
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2844812A
Cited
US2848607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |