US3194994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor
Assignee: Controls Company of America
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Filing: 1962-04-19
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Granted: 1965-07-13
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Latta Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:57
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/04; H02K11/049; H02K11/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN AN ELECTRIC MOTOR THE COMBINATION COMPRISING, A BRUSH CARD, AT LEAST TWO BRUSHES MOUNTED ON SAID BRUSH CARD, A PAIR OF ELECTRICALLY CONDUCTIVE BRACKETS MOUNTED ON SAID BRUSH CARD, A PAIR OF DIODES MOUNTED ON EACH OF SAID BRACKETS, WHEREBY SAID BRUSHES AND DIODES ARE MOUNTED ON A SINGLE BRUSH CARD, ONE OF SAID DIODES IN EACH OF SAID PAIRS ELECTRICALLY CONNECTED TO AND ARRANGED TO CONDUCT ELECTRICITY TOWARD ONE OF SAID BRUSHES AND
Claim 2
Dependent Claim
75 words
IN AN ELECTRIC MOTOR THE COMBINATION COMPRISING, A BRUSH CARD, AT LEAST TWO BRUSHES MOUNTED ON SAID BRUSH CARD, A PAIR OF ELECTRICALLY CONDUCTIVE BRACKETS MOUNTED ON SAID BRUSH CARD, A PAIR OF DIODES MOUNTED ON EACH OF SAID BRACKETS, WHEREBY SAID BRUSHES AND DIODES ARE MOUNTED ON A SINGLE BRUSH CARD, ONE OF SAID DIODES IN EACH OF SAID PAIRS ELECTRICALLY CONNECTED TO AND ARRANGED TO CONDUCT ELECTRICITY TOWARD ONE OF SAID BRUSHES AND
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |