Patent US3273002A successfully refreshed from Google Patents.
US3273002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor
Assignee: Ametek Inc
•
Filing: 1963-10-14
•
Granted: 1966-09-13
•
Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Le Roy H Easton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:31
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A COMMUTATING DYNAMO ELECTRIC MACHINE, INCLUDING A CASING MEMBER ADAPTED TO RECEIVE THROUGH ONE END A FIELD HAVING A FIELD CORE MEMBER, FIELD SEATING AND SECURING STRUCTURE COMPRISING: SAID CASING MEMBER HAVING NEAR ITS OTHER END SHOULDER MEANS ADAPTED TO ENGAGE ENDWISE A CORRESPONDING FIRST END OF SAID CORE MEMBER AND ALSO HAVING INTERIOR SURFACE PORTIONS ADAPTED TO ENGAGE THE CORE MEMBER ON PERIPHERAL PORTIONS; SAID SHOULDER MEANS AND SURFACE PORTIONS FORMING A CORE SEAT; SAID FIELD CORE MEMBER HAVING EXTERNAL ARCUATE PORTIONS ENGAGED BY SAID SURFACE PORTIONS OF THE CASING MEMBER WHEREBY THE CORE MAY BE SHIFTED ROTATIONALLY ABOUT A SHAFT AXIS OF THE MACHINE AT LEAST THROUGH A LIMITED ANGLE RELATIVE TO THE SAID CASING MEMBER AND TO BRUSHES MOUNTED THEREON; AND CORE
Claim 2
Dependent Claim
126 words
IN A COMMUTATING DYNAMO ELECTRIC MACHINE, INCLUDING A CASING MEMBER ADAPTED TO RECEIVE THROUGH ONE END A FIELD HAVING A FIELD CORE MEMBER, FIELD SEATING AND SECURING STRUCTURE COMPRISING: SAID CASING MEMBER HAVING NEAR ITS OTHER END SHOULDER MEANS ADAPTED TO ENGAGE ENDWISE A CORRESPONDING FIRST END OF SAID CORE MEMBER AND ALSO HAVING INTERIOR SURFACE PORTIONS ADAPTED TO ENGAGE THE CORE MEMBER ON PERIPHERAL PORTIONS; SAID SHOULDER MEANS AND SURFACE PORTIONS FORMING A CORE SEAT; SAID FIELD CORE MEMBER HAVING EXTERNAL ARCUATE PORTIONS ENGAGED BY SAID SURFACE PORTIONS OF THE CASING MEMBER WHEREBY THE CORE MAY BE SHIFTED ROTATIONALLY ABOUT A SHAFT AXIS OF THE MACHINE AT LEAST THROUGH A LIMITED ANGLE RELATIVE TO THE SAID CASING MEMBER AND TO BRUSHES MOUNTED THEREON; AND CORE
References Cited (Backward Citations)
US3114852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |