US2537862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-voltage pulse generator
Assignee: AT&T Inc
•
Filing: 1943-07-09
•
Granted: 1951-01-09
•
Expires: 1963-07-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:48
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835; H01; H01J; H01J25/00; H01J25/02; H01J25/10; H01J25/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1992908A
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US2048094A
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US2061011A
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US2145727A
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US2250511A
Cited
US2267233A
Cited
US2317140A
Cited
US2281717A
Cited
US2407272A
Cited
US2402364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |