Patent US3278776A successfully refreshed from Google Patents.
US3278776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor construction
Assignee: General Electric Co
•
Filing: 1964-04-02
•
Granted: 1966-10-11
•
Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Richard W Dochterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:43
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/14; H02K7/145; H02K1/00; H02K1/06; H02K1/12; H02K1/17; H02K23/00; H02K23/02; H02K23/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN ELECTRIC MOTOR COMPRISING: PERMANENT MAGNET MEANS DEFINING AN ARMATURE-RECEIVING OPENING DISPOSED ABOUT A CENTRAL AXIS, A SUPPORTING FRAME INCLUDING AT LEAST ONE SUBSTANTIALLY U-SHAPED CHANNEL SECTION HAVING TWO SIDES JOINED BY A WEB PORTION, SAID PERMANENT MAGNET MEANS DISPOSED WITHIN SAID SUPPORTING FRAME AND SECURED ADJACENT SAID WEB PORTION, A MOTOR SHAFT, A COMMUTATOR, AN ARMATURE INCLUDING A CORE AND WINDINGS, SAID COMMUTATOR AND ARMATURE ROTATABLY CARRIED ON SAID MOTOR SHAFT, A BEARING ASSEMBLY INCLUDING A FIRST BEARING SUPPORT ELEMENT CARRYING A FIRST MOTOR BEARING, SAID FIRST BEARING SUPPORT ELEMENT DISPOSED ADJACENT A FIRST END OF SAID FRAME AND SECURED SUBSTANTIALLY ADJACENT ONE END OF SAID WEB
Claim 2
Dependent Claim
108 words
AN ELECTRIC MOTOR COMPRISING: PERMANENT MAGNET MEANS DEFINING AN ARMATURE-RECEIVING OPENING DISPOSED ABOUT A CENTRAL AXIS, A SUPPORTING FRAME INCLUDING AT LEAST ONE SUBSTANTIALLY U-SHAPED CHANNEL SECTION HAVING TWO SIDES JOINED BY A WEB PORTION, SAID PERMANENT MAGNET MEANS DISPOSED WITHIN SAID SUPPORTING FRAME AND SECURED ADJACENT SAID WEB PORTION, A MOTOR SHAFT, A COMMUTATOR, AN ARMATURE INCLUDING A CORE AND WINDINGS, SAID COMMUTATOR AND ARMATURE ROTATABLY CARRIED ON SAID MOTOR SHAFT, A BEARING ASSEMBLY INCLUDING A FIRST BEARING SUPPORT ELEMENT CARRYING A FIRST MOTOR BEARING, SAID FIRST BEARING SUPPORT ELEMENT DISPOSED ADJACENT A FIRST END OF SAID FRAME AND SECURED SUBSTANTIALLY ADJACENT ONE END OF SAID WEB
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |