US2654971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminous sign
Assignee: ADGLO Inc
•
Filing: 1949-08-06
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Granted: 1953-10-13
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Expires: 1969-08-06
Abstract
No abstract record available.
Inventors
- 👤 George R Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:40
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/20; Y; Y10; Y10S; Y10S428/00; Y10S428/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US267284A
Cited
US831591A
Cited
US1219731A
Cited
US1362284A
Cited
US1813491A
Cited
US2213868A
Cited
US2263149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |