US3031628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor oscillator
Assignee: Texas Instruments Inc
•
Filing: 1958-03-26
•
Granted: 1962-04-24
•
Expires: 1978-03-26
Abstract
No abstract record available.
Inventors
- 👤 Richard L Bickel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:09
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K4/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2850631A
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US2957090A
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US2881318A
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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) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |