US3444520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control interface for computer controlled supervisory system
Assignee: Mobil Oil AS
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Filing: 1965-07-06
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Granted: 1969-05-13
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Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Lewis D Messersmith
- 👤 George Reyere Smith
- 👤 James R Waller Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:01
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/14; G; G06; G06F; G06F13/00; G06F13/14; G06F13/20; G06F13/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |