US2514432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination flashlight and traffic signal
Assignee: Individual
•
Filing: 1947-05-01
•
Granted: 1950-07-11
•
Expires: 1967-05-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Whitford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:49
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/005; F21V; F21V33/00; F21V33/0064; F21V33/0076; G; G09; G09F; G09F21/00; G09F21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1362324A
Cited
US1445530A
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US1634014A
Cited
US2063003A
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US2070472A
Cited
US2272212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |