US2724771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse generator utilizing bombardment induced conductivity
Assignee: AT&T Inc
•
Filing: 1950-12-30
•
Granted: 1955-11-22
•
Expires: 1970-12-30
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:39
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2213547A
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US2195489A
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US2223001A
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US2307438A
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US2512655A
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US2543039A
Cited
US2548789A
Cited
US2531600A
Cited
US2547386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |