US3609898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertically adjustable sign
Assignee: Individual
•
Filing: 1968-04-29
•
Granted: 1971-10-05
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Expires: 1988-04-29
Abstract
Abstract AN OUTDOOR ADVERTISING SIGN THAT CAN BE VERTICALLY ADJUSTED TO CHANGE THE DISPLAY AND INCORPORTING A CABLE AND WINCH MECHANISM FOR SIGN ELEVATING, SAFETY DEVICES TO PREVENT ACCIDENTAL LOWERING, AND AN INTERNAL ILLUMINATING MEANS. BOTH SINGLE AND DOUBLE VERTICAL POLE SIGNS EMPLOYING SEVERAL POLE SHAPES ARE DISCLOSED, AS ARE SEVERAL METHODS CHANGING THE POSITION OF THE SIGNBOARD.
Inventors
- 👤 Donald W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:46
CPC Classifications
G; G09; G09F; G09F15/00; G09F15/0087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |