US2650292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp having a reflector, two lenses, and means to vary the distance between them
Assignee: STRONG ELECTRIC CORP
•
Filing: 1949-07-12
•
Granted: 1953-08-25
•
Expires: 1969-07-12
Abstract
No abstract record available.
Inventors
- 👤 Harry H Strong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:43
CPC Classifications
F; F21; F21V; F21V14/00; F21V14/06; H; H05; H05B; H05B31/00; H05B31/003; H05B31/0036; F21W; F21W2131/00; F21W2131/40; F21W2131/406
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1737993A
Cited
US1709626A
Cited
US1755105A
Cited
US1898471A
Cited
US1988390A
Cited
US1950166A
Cited
US2076240A
Cited
US2356620A
Cited
US2347771A
Cited
US2425863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |