US2716722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature stable solid state electronic devices
Assignee: Individual
•
Filing: 1954-09-02
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Granted: 1955-08-30
•
Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Rothstein Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:22
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; H03F1/302; H10; H10W; H10W72/00; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H10W76/40
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) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |