US3208511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor elevated cooler
Assignee: International Electronic Research Corp
•
Filing: 1961-11-21
•
Granted: 1965-09-28
•
Expires: 1981-11-21
Abstract
No abstract record available.
Inventors
- 👤 John C Mcadam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:28
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/60; H10W40/641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A COOLING SUPPORT FOR MOUNTING A TRANSISTOR ON A CIRCUIT BOARD COMPRISING A PLATE AREA HAVING A RIM, A PLURALITY OF SUPPORTING LEGS EXTENDING FROM SAID RIM IN A GENERALLY AXIAL DIRECTION, A FREE END OF EACH SAID LEG HAVING A MEANS INCLUDING A SHOULDER EXTENDING IN A GENERALLY TRANSVERSE DIRECTION FACING AWAY FROM THE RIM AND ADAPTED TO RELEASABLY ENGAGE THE CIRCUIT BOARD, THE LENGTHS OF SAID LEGS BETWEEN THE PLATE AND THE RESPECTIVE SHOULDER BEING GREATER THAN THE AXIAL LENGTH OF THE TRANSISTOR, A PLURALITY OF SPRING FINGES ATTACHED TO SAID RIM, SAID FINGERS EACH HAVING ENDS LOCATED CLOSER TO THE RIM THAN
Claim 2
Dependent Claim
105 words
A COOLING SUPPORT FOR MOUNTING A TRANSISTOR ON A CIRCUIT BOARD COMPRISING A PLATE AREA HAVING A RIM, A PLURALITY OF SUPPORTING LEGS EXTENDING FROM SAID RIM IN A GENERALLY AXIAL DIRECTION, A FREE END OF EACH SAID LEG HAVING A MEANS INCLUDING A SHOULDER EXTENDING IN A GENERALLY TRANSVERSE DIRECTION FACING AWAY FROM THE RIM AND ADAPTED TO RELEASABLY ENGAGE THE CIRCUIT BOARD, THE LENGTHS OF SAID LEGS BETWEEN THE PLATE AND THE RESPECTIVE SHOULDER BEING GREATER THAN THE AXIAL LENGTH OF THE TRANSISTOR, A PLURALITY OF SPRING FINGES ATTACHED TO SAID RIM, SAID FINGERS EACH HAVING ENDS LOCATED CLOSER TO THE RIM THAN
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |