USRE27187E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit multi-layer winding for electric rotary machines
Assignee: —
•
Filing: 1965-02-16
•
Granted: 1971-10-12
•
Expires: 1985-02-16
Abstract
Abstract AN ELECTRICAL ROTATING MACHINE IS DISCLOSED HAVING A PRINTED CIRCUIT ARMATURE WINDING MADE UP OF TWO OR A MULTIPLE OF TWO LAYERS, THE CONDUCTORS IN ALTERNATE LAYERS BEING REVERSELY ORIENTED AND ALL CONDUCTORS BEING INTERCONNECTED TO FORM A SINGLE UNINTERRUPTED SERIES-WAVE WINDING.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:51
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |