US2789245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc lamp
Assignee: STRONG ELECTRIC CORP
•
Filing: 1953-09-30
•
Granted: 1957-04-16
•
Expires: 1973-09-30
Abstract
No abstract record available.
Inventors
- 👤 Harry H Strong
- 👤 Jr Arthur J Hatch
- 👤 John W Winzeler
- 👤 Carl A Starks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:49
CPC Classifications
H; H05; H05B; H05B31/00; H05B31/0081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1551558A
Cited
US1625315A
Cited
US1662434A
Cited
US1239759A
Cited
US1571924A
Cited
US1987705A
Cited
US2513512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |