US3044023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor inverter-battery charger
Assignee: Exide Technologies LLC
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Filing: 1959-07-01
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Granted: 1962-07-10
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Floyd James Kermit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:51
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53846; H02M7/53862; H02J; H02J7/00; H02J7/02; H02J9/00; H02J9/04; H02J9/06; H02J9/062; H02M7/53832; H02M7/53835; H02J2207/00; H02J2207/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |