US2422589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced contact clip
Assignee: Westinghouse Electric Corp
•
Filing: 1943-07-28
•
Granted: 1947-06-17
•
Expires: 1963-07-28
Abstract
No abstract record available.
Inventors
- 👤 John W Samzelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:30
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/20; H01H85/202
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US444019A
Cited
US1876536A
Cited
US742499A
Cited
US790883A
Cited
US1169431A
Cited
US1785194A
Cited
US1878779A
Cited
US1902804A
Cited
US1996888A
Cited
US1983281A
Cited
US2186476A
Cited
US2292320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |