Patent US2796802A successfully refreshed from Google Patents.
US2796802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable outdoor advertising projection display billboard device
Assignee: ATTILIO D ALESSANDRO
•
Filing: 1953-12-15
•
Granted: 1957-06-25
•
Expires: 1973-12-15
Abstract
No abstract record available.
Inventors
- 👤 Felice Orlando De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:59
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1450263A
Cited
US1080692A
Cited
US1252248A
Cited
US1411661A
Cited
US1644580A
Cited
US1679311A
Cited
US1798078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |