US2965807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp for emitting light flashes of extremely short duration
Assignee: Individual
•
Filing: 1956-03-21
•
Granted: 1960-12-20
•
Expires: 1976-03-21
Abstract
No abstract record available.
Inventors
- 👤 Fruengel Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:52
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1365787A
Cited
US2014957A
Cited
US2478907A
Cited
US2400456A
Cited
US2405071A
Cited
US2716198A
Cited
US2674703A
Cited
US2795738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |