Patent US3198991A successfully refreshed from Google Patents.
US3198991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cooled electronic enclosure
Assignee: General Electric Co
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Filing: 1964-02-26
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Granted: 1965-08-03
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 David L Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:12
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/20; H05K7/20536; H05K7/20554; H05K7/20572; H05K7/14; H05K7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN COMBINATION, AN ENCLOSURE HAVING A BACK AND AN OPEN-SIDED FRONT, A PLURALITY OF CIRCUIT BOARDS REMOVABLY MOUNTED IN SAID ENCLOSURE, SAID BOARDS BEING ARRANGED IN VERTICALLY SPACED HORIZONTAL ROWS WHEREIN CORRESPONDING BOARDS IN SAID ROWS ARE AXIALLY ALIGNED IN COLUMNS, THE SURFACES OF JUXTAPOSITIONED BOARDS EXTENDING FROM SAID FRONT TO SAID BACK DEFINING BETWEEN THEM A PLURALITY OF VERTICALLY ARRANGED PASSAGEWAYS, A PLURALITY OF HANDLE FORMING SURFACES FOR CONNECTION ONE TO EACH OF SAID BOARDS FOR SELECTIVELY REMOVING THE BOARDS FROM SAID ENCLOSURE, THE HANDLES OF SAID HANDLE FORMING SURFACES EXTENDING OUTWARDLY OF SAID ENCLOSURE, SAID HANDLE FORMING SURFACES FORMING A PANEL FOR CLOSING THE PASSAGEWAYS AND SAID ENCLOSURE, MEANS CAUSING AIR FLOW THROUGH SAID PASSAGEWAYS, AT LEAST ONE OF SAID HANDLE FORMING SURFACES BEING REMOVABLE FROM THE PANEL CLOSING SAID ENCLOSURE WITHOUT SUBSTANTIALLY REDUCING THE EFFECT OF AIR FLOW THROUGH SAID ENCLOSURE.
Claim 2
Dependent Claim
144 words
IN COMBINATION, AN ENCLOSURE HAVING A BACK AND AN OPEN-SIDED FRONT, A PLURALITY OF CIRCUIT BOARDS REMOVABLY MOUNTED IN SAID ENCLOSURE, SAID BOARDS BEING ARRANGED IN VERTICALLY SPACED HORIZONTAL ROWS WHEREIN CORRESPONDING BOARDS IN SAID ROWS ARE AXIALLY ALIGNED IN COLUMNS, THE SURFACES OF JUXTAPOSITIONED BOARDS EXTENDING FROM SAID FRONT TO SAID BACK DEFINING BETWEEN THEM A PLURALITY OF VERTICALLY ARRANGED PASSAGEWAYS, A PLURALITY OF HANDLE FORMING SURFACES FOR CONNECTION ONE TO EACH OF SAID BOARDS FOR SELECTIVELY REMOVING THE BOARDS FROM SAID ENCLOSURE, THE HANDLES OF SAID HANDLE FORMING SURFACES EXTENDING OUTWARDLY OF SAID ENCLOSURE, SAID HANDLE FORMING SURFACES FORMING A PANEL FOR CLOSING THE PASSAGEWAYS AND SAID ENCLOSURE, MEANS CAUSING AIR FLOW THROUGH SAID PASSAGEWAYS, AT LEAST ONE OF SAID HANDLE FORMING SURFACES BEING REMOVABLE FROM THE PANEL CLOSING SAID ENCLOSURE WITHOUT SUBSTANTIALLY REDUCING THE EFFECT OF AIR FLOW THROUGH SAID ENCLOSURE.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |