US3566525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Advertising sign
Assignee: Individual
•
Filing: 1969-12-01
•
Granted: 1971-03-02
•
Expires: 1989-12-01
Abstract
Abstract A SIGN, PREFERABLY FOR ADVERTISING PURPOSES, HAVING AN OPAQUE BOX-SHAPED HOLLOW BODY, A SOURCE OF LIGHT MOUNTED THEREIN, AND AT LEAST ON ONE FACE TO BE VIEWED TRANSPARENT PORTIONS TO BE PENETRATED BY LIGHT FROM THE SOURCE OF LIGHT IN THE FORM OF PROJECTIONS, BEADS OR RIBS ARRANGED SO AS TO MAKE THE CONTOURS OR BOUNDARIES OF THE ADVERTISED OBJECT STAND OUT FROM THE SURROUNDING SIGN SURFACE AND SHINE IN THE DARK.
Inventors
- 👤 Bertil P Nassil
- 👤 Bror A Hakansson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:22
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04; G09F13/0404; G09F13/26
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |