US2433863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse generation circuit
Assignee: AT&T Inc
•
Filing: 1943-05-13
•
Granted: 1948-01-06
•
Expires: 1963-05-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:49
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2153202A
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US2085402A
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US2139432A
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US2181309A
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US2188653A
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US2113214A
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US2244003A
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US2226706A
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US2256336A
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US2408061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |