Patent US3216496A successfully refreshed from Google Patents.
US3216496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sink for electronic devices
Assignee: Astro Dynamics Inc
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Filing: 1961-02-01
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Granted: 1965-11-09
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Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 Katz Leonhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:03
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/43; H10W40/01; H10W40/03; H10W40/037; H10W90/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A HEAT DISSIPATING APPARATUS COMPRISING A SUBSTANTIALLY FLAT PLATE HAVING AT ONE END THEREOF A BLOCK EXTENDING TRANSVERSELY FROM ONE SIDE OF SAID PLATE AND TERMINATING IN A SURFACE SPACED FROM SAID SIDE OF SAID PLATE, SAID SURFACE AND SAID SIDE OF SAID PLATE HAVING A PLURALITY OF FINS EXTENDING TRANSVERSELY THEREFROM, SAID BLOCK BEING SUBSTANTIALLY THICKER THAN SAID FIN, THE OPPOSITE SIDE OF SAID PLATE HAVING A THERMAL BUS BAR SHELF EXTENDING TRANSVERSELY THEREFROM PROVIDED WITH MEANS ADAPTED TO
Claim 2
Dependent Claim
80 words
A HEAT DISSIPATING APPARATUS COMPRISING A SUBSTANTIALLY FLAT PLATE HAVING AT ONE END THEREOF A BLOCK EXTENDING TRANSVERSELY FROM ONE SIDE OF SAID PLATE AND TERMINATING IN A SURFACE SPACED FROM SAID SIDE OF SAID PLATE, SAID SURFACE AND SAID SIDE OF SAID PLATE HAVING A PLURALITY OF FINS EXTENDING TRANSVERSELY THEREFROM, SAID BLOCK BEING SUBSTANTIALLY THICKER THAN SAID FIN, THE OPPOSITE SIDE OF SAID PLATE HAVING A THERMAL BUS BAR SHELF EXTENDING TRANSVERSELY THEREFROM PROVIDED WITH MEANS ADAPTED TO
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |