US2483515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-voltage protective arrangement
Assignee: Motors Liquidation Co
•
Filing: 1945-07-09
•
Granted: 1949-10-04
•
Expires: 1965-07-09
Abstract
No abstract record available.
Inventors
- 👤 Donald F Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:40
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/24; H02H3/08; H02H3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1210058A
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US1513247A
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US1655967A
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US1783520A
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US1830578A
Cited
US2001542A
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DE684638C
Cited
US2189591A
Cited
US2306810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |