Patent US1928699A successfully refreshed from Google Patents.
Patent US3090877A successfully refreshed from Google Patents.
US3090877A
Expired / Lapsed
US
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Dynamoelectric machine
Assignee: Ford Motor Co
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Filing: 1958-12-29
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Granted: 1963-05-21
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Donald H Baumhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:44
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A DYNAMOELECTRIC MACHINE COMPRISING A HOUSING, A CYLINDRICAL SPLIT SHELL HAVING AN AXIAL SLOT LOCATED TO ALLOW THE SHELL TO BE COMPRESSED, A PAIR OF PERMANENT MAGMEANS ENGAGING SAID SPLIT SHELL AND SAID PERMANENT MAGNETS FOR HOLDING SAID MAGNETS WITHIN SAID SPLIT SHELL WHEREBY SAID SHELL MAY BE COMPRESSED, SAID SPLIT SHELL BEING POSITIONED WITHIN AND IN ENGAGEMENT WITH SAID HOUSING.
Claim 2
Dependent Claim
61 words
A DYNAMOELECTRIC MACHINE COMPRISING A HOUSING, A CYLINDRICAL SPLIT SHELL HAVING AN AXIAL SLOT LOCATED TO ALLOW THE SHELL TO BE COMPRESSED, A PAIR OF PERMANENT MAGMEANS ENGAGING SAID SPLIT SHELL AND SAID PERMANENT MAGNETS FOR HOLDING SAID MAGNETS WITHIN SAID SPLIT SHELL WHEREBY SAID SHELL MAY BE COMPRESSED, SAID SPLIT SHELL BEING POSITIONED WITHIN AND IN ENGAGEMENT WITH SAID HOUSING.
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |