US3082337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric machines
Assignee: CA Parsons and Co Ltd
•
Filing: 1956-09-21
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Granted: 1963-03-19
•
Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 William D Horsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:12
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A DYNAMO-ELECTRIC MACHINE COMPRISING A ROTOR AND A STATOR HAVING MAGNETIC CORES DEFINING THE MAGNETIC CIRCUIT AND AN AIR GAP BETWEEN THE SAME, AND ELECTRICAL CONDUCTORS CONSTITUTING PART OF THE STATOR WINDING AND POSITIONED IN THE AIR GAP, AND A DETACHABLE CYLINDER OF ELECTRICALLY INSULATING MATERIAL LOCATED IN THE AIR GAP AND IN WHICH THE SAID CONDUCTORS ARE EMBEDDED.
Claim 2
Dependent Claim
59 words
A DYNAMO-ELECTRIC MACHINE COMPRISING A ROTOR AND A STATOR HAVING MAGNETIC CORES DEFINING THE MAGNETIC CIRCUIT AND AN AIR GAP BETWEEN THE SAME, AND ELECTRICAL CONDUCTORS CONSTITUTING PART OF THE STATOR WINDING AND POSITIONED IN THE AIR GAP, AND A DETACHABLE CYLINDER OF ELECTRICALLY INSULATING MATERIAL LOCATED IN THE AIR GAP AND IN WHICH THE SAID CONDUCTORS ARE EMBEDDED.
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |