US2725488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series-parallel switch and battery circuit
Assignee: LEECE NEVILLE CO
•
Filing: 1951-10-03
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Granted: 1955-11-29
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Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Homer C Hueffed
- 👤 Elmer P Orvis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:18
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H51/065; H02; H02J; H02J7/00; H02J7/14; H02J7/1423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096378A
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US983976A
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US996973A
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US1689075A
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US1793858A
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US2085275A
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US2344568A
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US2521969A
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US2564957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |