US2482275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical discharge device
Assignee: Machlett Laboratories Inc
•
Filing: 1945-11-26
•
Granted: 1949-09-20
•
Expires: 1965-11-26
Abstract
No abstract record available.
Inventors
- 👤 Caperton B Horsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:04
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1226383A
Cited
DE390346C
Cited
US1626465A
Cited
US1949347A
Cited
US1954231A
Cited
US1954046A
Cited
US1949463A
Cited
US2362816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |