Patent US3514682A successfully refreshed from Google Patents.
US3514682A
Expired / Lapsed
US
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Variable speed motor control arrangement
Assignee: Arrow Hart Inc
•
Filing: 1967-02-24
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Granted: 1970-05-26
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Expires: 1987-02-24
Abstract
No abstract record available.
Inventors
- 👤 Lawrence G Corey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:52
CPC Classifications
H; H02; H02P; H02P27/00; H02P27/02; H02P27/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2763824A
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US3090901A
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US3105181A
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US3250975A
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US3260911A
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US3302089A
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US3375425A
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US3398343A
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US3408550A
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US3341758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |