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US3317798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling electrical apparatus
Assignee: International Business Machines Corp
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Filing: 1966-04-13
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Granted: 1967-05-02
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Expires: 1986-04-13
Abstract
No abstract record available.
Inventors
- 👤 Richard C Chu
- 👤 Peter J Cunavelis
- 👤 Gerstenhaber Julius
- 👤 John H Seely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:58
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN ELECTRIC APPARATUS IN WHICH COOLING OF LONGITUDINALLY-SPACED HEAT-GENERATING UNITS IS REQUIRED, COMPRISED OF: A CABINET HAVING A VERTICALLY-ROTATABLE DOOR AND ROWS OF HEAT-GENERATING UNITS LONGITUDINALLY-SPACED TO PROVIDE TRANSVERSE SPACES BETWEEN ADJACENT ROWS OF UNITS, HEAT EXCHANGERS MOUNTED ON AND EXTENDING FROM SAID DOOR AND ARRANGED TO BE POSITIONED IN SAID TRANSVERSE SPACES BETWEEN SAID ROWS OF UNITS WHEN SAID DOOR IS CLOSED, SAID DOOR BEING ROTATED TO CLOSED POSITION, CONDUIT MEANS FOR A FLOW OF A COOLANT CONNECTED TO SAID HEAT EXCHANGERS AND HAVING FLEXIBLE INLET AND OUTLET CONDUITS FOR ACCOMMODATING THE OPENING AND CLOSING OF SAID DOOR, AND
Claim 2
Dependent Claim
100 words
AN ELECTRIC APPARATUS IN WHICH COOLING OF LONGITUDINALLY-SPACED HEAT-GENERATING UNITS IS REQUIRED, COMPRISED OF: A CABINET HAVING A VERTICALLY-ROTATABLE DOOR AND ROWS OF HEAT-GENERATING UNITS LONGITUDINALLY-SPACED TO PROVIDE TRANSVERSE SPACES BETWEEN ADJACENT ROWS OF UNITS, HEAT EXCHANGERS MOUNTED ON AND EXTENDING FROM SAID DOOR AND ARRANGED TO BE POSITIONED IN SAID TRANSVERSE SPACES BETWEEN SAID ROWS OF UNITS WHEN SAID DOOR IS CLOSED, SAID DOOR BEING ROTATED TO CLOSED POSITION, CONDUIT MEANS FOR A FLOW OF A COOLANT CONNECTED TO SAID HEAT EXCHANGERS AND HAVING FLEXIBLE INLET AND OUTLET CONDUITS FOR ACCOMMODATING THE OPENING AND CLOSING OF SAID DOOR, 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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |