US3497627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: International Business Machines Corp
•
Filing: 1966-04-15
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Granted: 1970-02-24
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Expires: 1986-04-15
Abstract
No abstract record available.
Inventors
- 👤 Herman L Blasbalg
- 👤 Joshua Y Hayase
- 👤 Hann F Najjar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:52
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/05; G; G06; G06F; G06F3/00; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/07; H04J3/16; H04J3/1682
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2911473A
Cited
US2884615A
Cited
US3090943A
Cited
US3051929A
Cited
US3194889A
Cited
US3303475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |