US2526670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic switch
Assignee: Individual
•
Filing: 1943-02-16
•
Granted: 1950-10-24
•
Expires: 1963-02-16
Abstract
No abstract record available.
Inventors
- 👤 Lewis E Kissinger
- 👤 Robert C Duncan
- 👤 Edward F Ellison
- 👤 Joseph D Turlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:50
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/32; F; F42; F42C; F42C11/00; F42C11/001; F42C11/005; F42C14/00; F42C14/04; F42C14/045; F42C15/00; F42C15/38; F42C9/00; F42C9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE307066C
Cited
US162806A
Cited
US1382374A
Cited
US1388658A
Cited
US1491004A
Cited
US1450059A
Cited
DE657288C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |