US2459809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-power pulse generator
Assignee: Individual
•
Filing: 1943-01-14
•
Granted: 1949-01-25
•
Expires: 1963-01-14
Abstract
No abstract record available.
Inventors
- 👤 John E Gorham
- 👤 Sager Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:22
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/78
Claims Analysis
Total Claims: 0
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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) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |