US2949530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flashlight
Assignee: Exide Technologies LLC
•
Filing: 1957-03-22
•
Granted: 1960-08-16
•
Expires: 1977-03-22
Abstract
No abstract record available.
Inventors
- 👤 Richard E Hagen
- 👤 Ralph T Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:56
CPC Classifications
F; F21; F21L; F21L4/00; F21L2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1477875A
Cited
US1955511A
Cited
US2027912A
Cited
US2236338A
Cited
GB558199A
Cited
GB556263A
Cited
US2513071A
Cited
US2689907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |