Patent US3077026A successfully refreshed from Google Patents.
US3077026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a permanent magnet rotor
Assignee: Motors Liquidation Co
•
Filing: 1959-11-12
•
Granted: 1963-02-12
•
Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Alan B Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:04
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/27; H02K1/2706; H02K1/272; H02K1/2726; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49075; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49945
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
THE METHOD OF INTERCONNECTING A PERMANENT MAGNET CORE WITH A LAMINATED HOOP ASSEMBLY COMPRISING THE STEPS OF HEATING THE HOOP ASSEMBLY TO EXPAND THE SAME, PRESS FITTING THE CORE INTO THE HOOP ASSEMBLY, AND ALLOWING THE
Claim 2
Independent Claim
36 words
THE METHOD OF INTERCONNECTING A PERMANENT MAGNET CORE WITH A LAMINATED HOOP ASSEMBLY COMPRISING THE STEPS OF HEATING THE HOOP ASSEMBLY TO EXPAND THE SAME, PRESS FITTING THE CORE INTO THE HOOP ASSEMBLY, AND ALLOWING THE
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |