US2920408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric display sign
Assignee: REED RES Inc
•
Filing: 1956-09-17
•
Granted: 1960-01-12
•
Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Mcguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:21
CPC Classifications
G; G09; G09F; G09F9/00; G09F9/30; G09F9/313; H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J17/492; Y; Y10; Y10S; Y10S362/00; Y10S362/812
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1799731A
Cited
US2006436A
Cited
US1923523A
Cited
US1919490A
Cited
US2207217A
Cited
US2193478A
Cited
US2488169A
Cited
US2459422A
Cited
US2459633A
Cited
US2728258A
Cited
US2673976A
Cited
US2770061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |