US2950418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display apparatus
Assignee: HP Inc
•
Filing: 1956-07-20
•
Granted: 1960-08-23
•
Expires: 1976-07-20
Abstract
No abstract record available.
Inventors
- 👤 Charles S Reis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:40
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/04; G09G3/06; G09G3/12; G09F; G09F9/00; G09F9/30; G09F9/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1779748A
Cited
US2471253A
Cited
US2558019A
Cited
US2500929A
Cited
US2698915A
Cited
US2768310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |