Patent US2947925A successfully refreshed from Google Patents.
US2947925A
Expired / Lapsed
US
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Transistor and method of making the same
Assignee: Motorola Solutions Inc
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Filing: 1958-02-21
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Granted: 1960-08-02
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Expires: 1978-02-21
Abstract
No abstract record available.
Inventors
- 👤 Fred B Maynard
- 👤 Earl L Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:46
CPC Classifications
H; H10; H10P; H10P95/00; H10D; H10D99/00; H10W; H10W72/00; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H10W72/071; H10W72/075; H10W72/07551; H10W72/07554
Claims Analysis
Total Claims: 0
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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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |