US3173044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet motor
Assignee: Globe Industries Inc
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Filing: 1962-09-05
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Granted: 1965-03-09
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul R Pittman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:06
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A MINIATURE PERMANENT MAGNET MOTOR COMPRISING IN COMBINATION: A STATOR STRUCTURE INCLUDING A MAGNETIC FIELD UNIT COMPRISING A PERMANENT MAGNET AND POLE PIECES JUXTAPOSED THERETO ACCURATELY FORMED SO AS TO OPERATIVELY COOPERATE WITH A ROTOR STRUCTURE HAVING COMMUTATOR MEANS THEREON, SAID STATOR STRUCTURE BEING SUBSTANTIALLY ENCASED IN A PLASTIC MOLDED CONSTRUCTION WHICH PROVIDES A PAIR OF GUIDE BOSSES; BRUSH MEANS REMOVABLY MOUNTED UPON SAID BOSSES, THE LATTER SERVING TO LOCATE AND POSITION SAID BRUSH MEANS, SAID BRUSH MEANS COOPERATING WITH SAID COMMUTATOR MEANS IN THE MOTOR CURRENT SWITCHING FUNCTION TO ENABLE UNIDIRECTONAL ROTATION OF SAID MOTOR; AND A READILY REMOVABLE COVER MEANS FOR SAID MOTOR SO CONSTRUCTED AND ARRANGED WITH RESPECT TO SAID BOSSES AS TO PROVIDE A MEANS TO RETAIN SAID BRUSHES IN POSITION UPON SAID BOSSES.
Claim 2
Dependent Claim
128 words
A MINIATURE PERMANENT MAGNET MOTOR COMPRISING IN COMBINATION: A STATOR STRUCTURE INCLUDING A MAGNETIC FIELD UNIT COMPRISING A PERMANENT MAGNET AND POLE PIECES JUXTAPOSED THERETO ACCURATELY FORMED SO AS TO OPERATIVELY COOPERATE WITH A ROTOR STRUCTURE HAVING COMMUTATOR MEANS THEREON, SAID STATOR STRUCTURE BEING SUBSTANTIALLY ENCASED IN A PLASTIC MOLDED CONSTRUCTION WHICH PROVIDES A PAIR OF GUIDE BOSSES; BRUSH MEANS REMOVABLY MOUNTED UPON SAID BOSSES, THE LATTER SERVING TO LOCATE AND POSITION SAID BRUSH MEANS, SAID BRUSH MEANS COOPERATING WITH SAID COMMUTATOR MEANS IN THE MOTOR CURRENT SWITCHING FUNCTION TO ENABLE UNIDIRECTONAL ROTATION OF SAID MOTOR; AND A READILY REMOVABLE COVER MEANS FOR SAID MOTOR SO CONSTRUCTED AND ARRANGED WITH RESPECT TO SAID BOSSES AS TO PROVIDE A MEANS TO RETAIN SAID BRUSHES IN POSITION UPON SAID BOSSES.
References Cited (Backward Citations)
US2453101A
Cited
US2465446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |