Patent US2767390A successfully refreshed from Google Patents.
US2767390A
Expired / Lapsed
US
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Emergency road light
Assignee: Free SAS
•
Filing: 1953-07-21
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Granted: 1956-10-16
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Expires: 1973-07-21
Abstract
No abstract record available.
Inventors
- 👤 Free Vernon
- 👤 William E Muck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:36
CPC Classifications
B; B60; B60Q; B60Q7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2088370A
Cited
US2262239A
Cited
US2317713A
Cited
US2557859A
Cited
US2491094A
Cited
US2572439A
Cited
US2657379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |