US3522490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor package with heat conducting mounting extending from package on side opposite conductor extensions
Assignee: Texas Instruments Inc
•
Filing: 1967-01-30
•
Granted: 1970-08-04
•
Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 John E Kauffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:30
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/40; H10W70/461; H10W70/481; H10W72/00; H10W72/50; H10W72/541; H10W72/5449; H10W72/851; H10W72/874; H10W72/884; H10W90/00; H10W90/701; H10W90/751; H10W90/756
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3072832A
Cited
GB966019A
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US3271634A
Cited
US3264712A
Cited
US3195026A
Cited
US3274456A
Cited
US3235937A
Cited
US3243670A
Cited
US3281628A
Cited
US3309579A
Cited
US3265806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |