UST916004I4
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data tree structure and maintenance method
Assignee: —
•
Filing: 1973-01-16
•
Granted: 1973-11-27
•
Expires: 1993-01-16
Abstract
Abstract A 2 LOG BINARY TREE DATA SET STRUCTURE WHERE THE NULL HEIGHT OF THE NODES IN ANY PART IS NON-INCREASING, AND WHERE IN ANY PATH THERE ARE NOT MORE THAN TWO NODES AT THE SAME NULL HEIGHT. ALSO, THE METHOD FOR ADDING TO AND DELETING NODES FROM A 2 LOG BINARY TREE SO THAT THE RESULTING STRUCTURE IS ALSO A 2 LOG TREE.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:00
CPC Classifications
G; G06; G06F; G06F16/00; G06F16/90; G06F16/901; G06F16/9027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |