US2943170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contact mounting
Assignee: Ward Leonard Electric Co
•
Filing: 1958-02-21
•
Granted: 1960-06-28
•
Expires: 1978-02-21
Abstract
No abstract record available.
Inventors
- 👤 Vradenburgh Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:34
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H1/00; H01H1/12; H01H1/14; H01H1/22; H01H1/221; H01H1/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1692604A
Cited
US1751444A
Cited
US2092478A
Cited
US2277111A
Cited
US2517052A
Cited
US2619569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |