Patent US2468640A successfully refreshed from Google Patents.
US2468640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flashlight device
Assignee: Individual
•
Filing: 1947-06-11
•
Granted: 1949-04-26
•
Expires: 1967-06-11
Abstract
No abstract record available.
Inventors
- 👤 Santilli Henry Tullio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:32
CPC Classifications
A; A45; A45C; A45C15/00; A45C15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1226607A
Cited
US1496575A
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US2007101A
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US2128810A
Cited
US2258685A
Cited
US2262011A
Cited
GB533189A
Cited
US2285454A
Cited
US2288493A
Cited
US2299148A
Cited
US2358820A
Cited
US2424432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |