US3531670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary electrical apparatus having metallic sleeve for embracing the peripheral sections of permanent magnet rotor
Assignee: Bendix Corp
•
Filing: 1968-09-16
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Granted: 1970-09-29
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Expires: 1988-09-16
Abstract
No abstract record available.
Inventors
- 👤 Donald C Loudon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:23
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/27; H02K1/2706; H02K1/272; H02K1/274; H02K1/2753; H02K1/278; H02K21/00; H02K21/12; H02K21/14; H02K21/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3169203A
Cited
US3221194A
Cited
US3246187A
Cited
US3299335A
Cited
US3292126A
Cited
US3334254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |