US2984774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor heat sink assembly
Assignee: Motorola Solutions Inc
•
Filing: 1956-10-01
•
Granted: 1961-05-16
•
Expires: 1976-10-01
Abstract
No abstract record available.
Inventors
- 👤 Richard T Race
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:40
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/20; H05K7/2039; H05K7/20409; H05K7/20418; H05K11/00; H05K11/02; H10; H10W; H10W40/00; H10W40/60; H10W40/611; H10W40/20; H10W40/231; H10W40/235; Y; Y10; Y10S; Y10S165/00; Y10S165/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2759133A
Cited
US2725505A
Cited
US2756374A
Cited
US2810849A
Cited
US2763822A
Cited
US2887628A
Cited
US2932684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |