US2884723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display devices
Assignee: Individual
•
Filing: 1956-01-13
•
Granted: 1959-05-05
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 Horton William Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:46
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/02; G09F7/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE503712A
Cited
US1121809A
Cited
US1547120A
Cited
US1624741A
Cited
US1694639A
Cited
US1951325A
Cited
US2405655A
Cited
US2614701A
Cited
US2722754A
Cited
GB730158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |