Patent US3387244A successfully refreshed from Google Patents.
US3387244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer having winding leads held in pressure contact with terminals
Assignee: Hermetic Coil Co Inc
•
Filing: 1966-05-03
•
Granted: 1968-06-04
•
Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Dhu Aine J Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:28
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/26; H01F27/266; H01F5/00; H01F5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2512796A
Cited
US2619513A
Cited
US2762019A
Cited
US3079510A
Cited
US3089071A
Cited
US3255399A
Cited
US3189857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |