Patent US3247823A successfully refreshed from Google Patents.
US3247823A
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Traffic signal device
Assignee: Heller Industries Inc
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Filing: 1965-04-22
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Granted: 1966-04-26
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Expires: 1985-04-22
Abstract
No abstract record available.
Inventors
- 👤 Buck Foster
- 👤 Robert W May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:46
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/60; E01F9/623; E01F9/654; E01F9/688; Y; Y10; Y10S; Y10S248/00; Y10S248/91
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
A TRAFFIC MARKER COMPRISING A HOLLOW VERTICAL SECTION FORMED FROM A FLEXIBLE PLASTIC MATERIAL AND A HOLLOW BASE SECTION INTEGRAL THEREWITH AND EXTENDING OUTWARD FROM THE LOWER END OF THE VERTICAL SECTION, SAID BASE SECTION INCLUDING A FIRST HORIZONTALLY EXTENDING FLANGE FORMED AS A CONTINUATION OF THE VERTICAL SECTION, A WALL FORMED AS A CONTINUATION OF AND DEPENDING FROM THE OUTER PERIPHERY OF SAID FLANGE, A SECOND HORIZONTALLY EXTENDING FLANGE FORMED AS A CONTINUATION OF THE LOWER END OF THE WALL AND PROJECTING INWARD TOWARD THE CENTER OF THE VERTICAL SECTION, AND AN INNER WALL FORMED AS A CONTINUATION OF THE INNER PERIPHERY OF THE SECOND
References Cited (Backward Citations)
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |