US2528490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flasher type electric flare
Assignee: Individual
•
Filing: 1949-03-28
•
Granted: 1950-11-07
•
Expires: 1969-03-28
Abstract
No abstract record available.
Inventors
- 👤 Virgil S Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:53
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36; G08B5/38; A; A45; A45C; A45C13/00; F; F21; F21L; F21L14/00; G09; G09F; G09F13/00; G09F13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |