US3293464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical machine with vertical shaft
Assignee: Siemens Schuckertwerke AG
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Filing: 1964-09-21
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Granted: 1966-12-20
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Spirk Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:45
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/18; H02K1/185; B; B60; B60K; B60K6/00; B60K6/20; B60K6/22; B60K6/26; B60K2006/268; B60W; B60W2540/00; B60W2540/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
ELECTRICAL MACHINE OF THE VERTICAL SHAFT TYPE COMPRISING A CIRCULAR STATOR INCLUDING A CONCRETE SUPPORTING RING AND A PACKET OF SUPERIMPOSED SUBSTANTIALLY CIRCULAR CORE LAMINATIONS COAXIALLY DISPOSED WITHIN SAID CONCRETE SUPPORTING RING; A PLURALITY OF ANCHORING ELEMENTS SECURED TO SAID CONCRETE SUPPORTING RING, A PLURALITY OF TENSIONING BOLTS HAVING END FITTING RESPECTIVELY FASTENED TO SAID PACKET OF CORE LAMINATIONS AND SAID ANCHORING ELEMENTS, SAID TENSIONING BOLTS HOLDING SAID PACKET OF CORE LAMINATIONS IN SPACED RELATION TO SAID SUPPORTING RING AND BEING ADAPTED TO TRANSMIT TANGENTIALLY AND RADIALLY DIRECTED FORCES, ARISING DURING OPERATION OF THE ELECTRICAL MACHINE, FROM SAID PACKET OF CORE LAMINATIONS TO SAID CONCRETE SUPPORTING RING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |