Patent US2941185A successfully refreshed from Google Patents.
US2941185A
Expired / Lapsed
US
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Portable traffic signal
Assignee: Individual
•
Filing: 1957-05-21
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Granted: 1960-06-14
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Expires: 1977-05-21
Abstract
No abstract record available.
Inventors
- 👤 Wilbur J Mullikin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:18
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/09; G08G1/095; G08G1/0955
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1684695A
Cited
US1946436A
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US1964047A
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US2058546A
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US2203871A
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US2236299A
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US2355607A
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US2339149A
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US2401940A
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US2375121A
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US2508071A
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US2626389A
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US2646873A
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US2829362A
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US2788889A
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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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |