US2422149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sign control and system
Assignee: TRANS LUX AD NEWS CORP
•
Filing: 1943-11-16
•
Granted: 1947-06-10
•
Expires: 1963-11-16
Abstract
No abstract record available.
Inventors
- 👤 Edward H Unkles
- 👤 Bert W Roth
- 👤 Jr Charles S Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:10
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2003852A
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US2340559A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |