US2950862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer
Assignee: Phillips Petroleum Co
•
Filing: 1954-10-08
•
Granted: 1960-08-30
•
Expires: 1974-10-08
Abstract
No abstract record available.
Inventors
- 👤 Frank W Bubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:00
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858267A
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US2545655A
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US2603968A
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US2538226A
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US2453462A
Cited
US2503387A
Cited
US2558430A
Cited
US2659234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |