US2648761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street barricade light securing means
Assignee: Individual
•
Filing: 1951-09-28
•
Granted: 1953-08-11
•
Expires: 1971-09-28
Abstract
No abstract record available.
Inventors
- 👤 John W Shamel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:05
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/02; F; F21; F21L; F21L4/00; F21V; F21V21/00; F21V21/10; F21V21/116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB418914A
Cited
US2117884A
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US2456792A
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US2614471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |