US3467894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic switch for the rapid switching off and on again of current-conveying coils
Assignee: US Philips Corp
•
Filing: 1966-01-14
•
Granted: 1969-09-16
•
Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Peter Blume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:28
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/945; H03K17/04; H03K17/0403; H03K17/51; H03K17/56; H03K17/72; H03K17/73
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3158791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |