US2873409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable high voltage power supply
Assignee: NABDCO ACQUISTION CORP A CORP OF FL
•
Filing: 1954-11-24
•
Granted: 1959-02-10
•
Expires: 1974-11-24
Abstract
No abstract record available.
Inventors
- 👤 Most David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:10
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/34; H02M3/38; H02M3/42; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2255299A
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US2231873A
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US2262819A
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US2347165A
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US2384829A
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US2384830A
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US2384831A
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US2447832A
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US2449214A
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US2622229A
Cited
US2631249A
Cited
US2703376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |