Patent US3427933A successfully refreshed from Google Patents.
US3427933A
Expired / Lapsed
US
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Road surface marker and installation apparatus therefor
Assignee: ROBERT W TAYLOR MYERS
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Filing: 1967-12-29
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Granted: 1969-02-18
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Expires: 1987-12-29
Abstract
No abstract record available.
Inventors
- 👤 Robert W Taylor-Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:55
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/16; E01C23/18; E01F; E01F9/00; E01F9/50; E01F9/553; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53678; Y10T29/53909; Y10T29/53943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1973176A
Cited
US2187879A
Cited
US2703038A
Cited
US2941447A
Cited
US3086431A
Cited
US3217617A
Cited
US3373667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |