Patent US2954723A successfully refreshed from Google Patents.
US2954723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kaleidoscopic advertising display
Assignee: Individual
•
Filing: 1958-01-24
•
Granted: 1960-10-04
•
Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
- 👤 William H Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:07
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)
US537034A
Cited
US1218607A
Cited
GB193467A
Cited
US1914562A
Cited
US1969909A
Cited
US2137289A
Cited
GB590333A
Cited
US2493237A
Cited
US2475930A
Cited
US2553005A
Cited
US2786792A
Cited
US2762257A
Cited
US2757570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |