US3404218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weldable high voltage terminal
Assignee: Sprague Electric Co
•
Filing: 1966-12-21
•
Granted: 1968-10-01
•
Expires: 1986-12-21
Abstract
No abstract record available.
Inventors
- 👤 Philip B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:45
CPC Classifications
H; H01; H01R; H01R9/00; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303; H01B17/306; H01R4/00; H01R4/02; H01R4/029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1850105A
Cited
GB509169A
Cited
CH236471A
Cited
DE859765C
Cited
US2726280A
Cited
US3137808A
Cited
US3144501A
Cited
US3105870A
Cited
US3255298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |