US2973437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor circuit
Assignee: Lanteris Space LLC
•
Filing: 1955-02-02
•
Granted: 1961-02-28
•
Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 William E Bradley
- 👤 Rubinoff Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/082; G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2569347A
Cited
US2627039A
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US2591961A
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US2666818A
Cited
US2730576A
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US2622213A
Cited
US2831126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |