US2914874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Advertising displays
Assignee: Eye-Beam Displays Inc
•
Filing: 1957-02-08
•
Granted: 1959-12-01
•
Expires: 1977-02-08
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:47
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; G09F1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US737314A
Cited
US813764A
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US1351817A
Cited
US1434155A
Cited
US1576629A
Cited
US1564752A
Cited
US2180125A
Cited
US2292272A
Cited
US2787432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |