Patent US3330976A successfully refreshed from Google Patents.
US3330976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-mechanical device
Assignee: Individual
•
Filing: 1964-04-17
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Granted: 1967-07-11
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Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 Brown Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:28
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/40; H02K23/44
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
IN AN ELECTRO-MECHANICAL DEVICE OF THE CLASS COMPRISING A STATOR MAGNETICALLY COUPLED TO A ROTOR, SAID STATOR HAVING ANGULARLY SPACED SETS OF MAGNETIC MATERIAL ELEMENTS DEFINING MAGNETIC POLES; THE IMPROVEMENT WHEREIN THE STATOR COMPRISES A FIRST MEMBER CARRYING A FIRST SET OF THE MAGNETIC MATERIAL ELEMENTS, A SECOND MEMBER CARRYING A SECOND SET OF THE MAGNETIC MATERIAL ELEMENTS, MEANS MOUNTING SAID FIRST AND SECOND MEMBERS FOR ANGULAR ADJUSTMENT RELATIVE TO EACH OTHER ABOUT A COMMON AXIS, AND MEANS SECURING TOGETHER THE SAID FIST AND SECOND MEMBERS WITH THE SETS OF MAGNETIC MATERIAL ELEMENTS OF SAID FIRST MEMBER SPACED A PREDETERMINED ANGULAR DISTANCE FROM THOSE OF THE SAID SECOND MEMBER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |