Patent US3486926A successfully refreshed from Google Patents.
US3486926A
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US
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Method of producing reflective markers and the resulting marker
Assignee: Prismo Safety Corp
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Filing: 1966-12-02
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Granted: 1969-12-30
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Expires: 1986-12-02
Abstract
No abstract record available.
Inventors
- 👤 Donald C Rideout
- 👤 Luke M Shuler
- 👤 William H Riley Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:36
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/25; Y10T428/252; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/269
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1407461A
Cited
US2143946A
Cited
US2400453A
Cited
US2401904A
Cited
US2684915A
Cited
US3386941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |