US3385426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead protecting structure
Assignee: Sprague Electric Co
•
Filing: 1966-03-18
•
Granted: 1968-05-28
•
Expires: 1986-03-18
Abstract
No abstract record available.
Inventors
- 👤 Harold V May
- 👤 William G Seeley
- 👤 Noel C Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:00
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/0084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2761557A
Cited
US3216089A
Cited
US3168617A
Cited
US3239916A
Cited
US3198329A
Cited
US3278018A
Cited
US3256982A
Cited
US3297974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |