Patent US3313340A successfully refreshed from Google Patents.
US3313340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: LAMBDA ELECTRONICS CORP
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Filing: 1965-03-23
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Granted: 1967-04-11
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Expires: 1985-03-23
Abstract
No abstract record available.
Inventors
- 👤 Dubin Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:28
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/20; H05K7/20536; H05K7/20545
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A MULTI-POSITIONAL HEAT EXCHANGER FOR ELECTRONIC EQUIPMENT HAVING HEAT GENERATING ELECTRONIC COMPONENTS COMPRISING A METALLIC BASE MEMBER DIRECTLY THERMALLY COUPLED TO SAID HEAT GENERATING ELECTRONIC COMPONENTS, A PLURALITY OF PARALLEL SPACED APART HEAT CONDUCTIVE PLATE MEMBERS ORTHOGONALLY DEPENDING FROM SAID BASE MEMBER IN THERMAL ENGAGEMENT THEREWITH, EACH OF SAID PLATE MEMBERS HAVING AT LEAST ONE ELONGATED APERTURE EXTENDING PERPENDICULARLY AWAY FROM SAID BASE MEMBER, SAID OPENINGS
Claim 2
Dependent Claim
66 words
A MULTI-POSITIONAL HEAT EXCHANGER FOR ELECTRONIC EQUIPMENT HAVING HEAT GENERATING ELECTRONIC COMPONENTS COMPRISING A METALLIC BASE MEMBER DIRECTLY THERMALLY COUPLED TO SAID HEAT GENERATING ELECTRONIC COMPONENTS, A PLURALITY OF PARALLEL SPACED APART HEAT CONDUCTIVE PLATE MEMBERS ORTHOGONALLY DEPENDING FROM SAID BASE MEMBER IN THERMAL ENGAGEMENT THEREWITH, EACH OF SAID PLATE MEMBERS HAVING AT LEAST ONE ELONGATED APERTURE EXTENDING PERPENDICULARLY AWAY FROM SAID BASE MEMBER, SAID OPENINGS
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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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |