US3102964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-efficiency permanent magnet motor
Assignee: Black and Decker Corp
•
Filing: 1961-04-13
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Granted: 1963-09-03
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Expires: 1981-04-13
Abstract
No abstract record available.
Inventors
- 👤 John L Bennett
- 👤 Gilbert B Wootton
- 👤 Royal L Clagett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:28
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/56
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |