Patent US3418896A successfully refreshed from Google Patents.
US3418896A
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Reflective markers and reflective elements therefor
Assignee: Prismo Safety Corp
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Filing: 1967-02-03
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Granted: 1968-12-31
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Expires: 1987-02-03
Abstract
No abstract record available.
Inventors
- 👤 Donald C Rideout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:38
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128; B; B29; B29D; B29D11/00; B29D11/00605; B29D11/00615; E; E01; E01F; E01F9/00; E01F9/50; E01F9/506; E01F9/524; E01F9/553
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2345644A
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US3030870A
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US3086431A
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US3274888A
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US3252376A
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US3204537A
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US3240132A
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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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |