Patent EP0618667A1 successfully refreshed from Google Patents.
US2645977A
Expired / Lapsed
US
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Safety signal reflector for vehicles
Assignee: ALFRED E HULET
•
Filing: 1949-09-30
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Granted: 1953-07-21
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Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Wilford Lawrence Mertin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:22
CPC Classifications
B; B60; B60Q; B60Q7/00; B60Q7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1251670A
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US1838693A
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US1813112A
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GB423815A
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US2484142A
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US2513961A
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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) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |