US2964586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for transmission of electricity
Assignee: Individual
•
Filing: 1956-11-09
•
Granted: 1960-12-13
•
Expires: 1976-11-09
Abstract
No abstract record available.
Inventors
- 👤 Isaac D Sillman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:25
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |