Patent US3175109A successfully refreshed from Google Patents.
US3175109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling systems
Assignee: Controls Company of America
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Filing: 1961-06-06
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Granted: 1965-03-23
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Expires: 1981-06-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:45
CPC Classifications
H; H02; H02K; H02K9/00; H02K9/02; H02K9/04; H02K9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN AN ELECTRICAL DEVICE INCLUDING OPERATING MECHANISMS AND AN ENCLOSURE FOR SAID OPERATING MECHANISMS, THE IMPROVEMENT OF MOTOR MEANS WITHIN SAID ENCLOSURE FOR DRIVING OPERATING MECHANISM THEREIN, A HOUSING FOR SAID MOTOR MEANS INCLUDING RELATIVELY SPACED AIR INLET AND OUTLET OPENINGS, FAN MEANS WITHIN SAID MOTOR HOUSING DRIVEN BY SAID MOTOR MEANS AND SO ARRANGED RELATIVE TO SAID AIR INLET AND OUTLET OPENINGS TO EFFECT A FLOW OF COOLING AIR-THROUGH SAID MOTOR MEANS WHEN IN OPERATION, SAID MOTOR HOUSING OUTLET OPENING CONNECTED TO AN OUTLET IN SAID ENCLOSURE OPENING TO THE ATMOSPHERE AMBIENT SAID ENCLOSURE TO EXHAUST SAID COOLING AIR PASSING THROUGH SAID MOTOR MEANS TO SAID AMBIENT ATMOSPHERE AND SAID MOTOR HOUSING INLET OPENING COMMUNICATING WITH THE INTERIOR OF SAID ENCLOSURE, AND SAID ENCLOSURE INCLUDING AT LEAST ONE OPENING TO THE ATMOSPHERE AMBIENT SAID ENCLOSURE WHEREBY WHEN THE MOTOR MEANS IS IN OPERATION SAID FAN DRAWS FRESH AMBIENT AIR INTO SAID ENCLOSURE INTERIOR AND CIRCULATES SAID AIR THROUGH SAID ENCLOSURE AND THROUGH SAID MOTOR MEANS THEREBY COOLING THE OPERATING MECHANISM WITHIN SAID ENCLOSURE AND SAID MOTOR MEANS.
Claim 2
Dependent Claim
178 words
IN AN ELECTRICAL DEVICE INCLUDING OPERATING MECHANISMS AND AN ENCLOSURE FOR SAID OPERATING MECHANISMS, THE IMPROVEMENT OF MOTOR MEANS WITHIN SAID ENCLOSURE FOR DRIVING OPERATING MECHANISM THEREIN, A HOUSING FOR SAID MOTOR MEANS INCLUDING RELATIVELY SPACED AIR INLET AND OUTLET OPENINGS, FAN MEANS WITHIN SAID MOTOR HOUSING DRIVEN BY SAID MOTOR MEANS AND SO ARRANGED RELATIVE TO SAID AIR INLET AND OUTLET OPENINGS TO EFFECT A FLOW OF COOLING AIR-THROUGH SAID MOTOR MEANS WHEN IN OPERATION, SAID MOTOR HOUSING OUTLET OPENING CONNECTED TO AN OUTLET IN SAID ENCLOSURE OPENING TO THE ATMOSPHERE AMBIENT SAID ENCLOSURE TO EXHAUST SAID COOLING AIR PASSING THROUGH SAID MOTOR MEANS TO SAID AMBIENT ATMOSPHERE AND SAID MOTOR HOUSING INLET OPENING COMMUNICATING WITH THE INTERIOR OF SAID ENCLOSURE, AND SAID ENCLOSURE INCLUDING AT LEAST ONE OPENING TO THE ATMOSPHERE AMBIENT SAID ENCLOSURE WHEREBY WHEN THE MOTOR MEANS IS IN OPERATION SAID FAN DRAWS FRESH AMBIENT AIR INTO SAID ENCLOSURE INTERIOR AND CIRCULATES SAID AIR THROUGH SAID ENCLOSURE AND THROUGH SAID MOTOR MEANS THEREBY COOLING THE OPERATING MECHANISM WITHIN SAID ENCLOSURE AND SAID MOTOR MEANS.
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |