US2705381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Advertising display device
Assignee: Individual
•
Filing: 1951-08-02
•
Granted: 1955-04-05
•
Expires: 1971-08-02
Abstract
No abstract record available.
Inventors
- 👤 Charles W Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:53
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; G09F1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US667576A
Cited
US891135A
Cited
US1170325A
Cited
US1509125A
Cited
US2143592A
Cited
CH191108A
Cited
FR847525A
Cited
GB596534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |