US3500024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital data input system
Assignee: Phillips Petroleum Co
•
Filing: 1967-02-01
•
Granted: 1970-03-10
•
Expires: 1987-02-01
Abstract
No abstract record available.
Inventors
- 👤 Galen D Stacy
- 👤 Robert G Carleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:31
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4812; G06F13/00; G06F13/14; G06F13/20; G06F13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2680240A
Cited
US2849704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |