US2547008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric pulse generator
Assignee: International Standard Electric Corp
•
Filing: 1948-10-02
•
Granted: 1951-04-03
•
Expires: 1968-10-02
Abstract
No abstract record available.
Inventors
- 👤 Hough George Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
H; H03; H03K; H03K29/00; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J2893/00; H01J2893/007; Y; Y10; Y10S; Y10S315/00; Y10S315/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1230004A
Cited
US1647591A
Cited
US2011381A
Cited
US2408086A
Cited
US2303016A
Cited
US2373175A
Cited
US2443407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |