US2645679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of controlling susceptance of a post type obstacle
Assignee: STC PLC
•
Filing: 1947-11-29
•
Granted: 1953-07-14
•
Expires: 1967-11-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Reade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:54
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/207
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2337219A
Cited
US2408032A
Cited
US2514678A
Cited
US2417542A
Cited
US2416981A
Cited
US2433011A
Cited
US2422160A
Cited
US2519524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |