Patent US2547171A successfully refreshed from Google Patents.
US2547171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap switch
Assignee: Essex Wire Corp
•
Filing: 1947-10-31
•
Granted: 1951-04-03
•
Expires: 1967-10-31
Abstract
No abstract record available.
Inventors
- 👤 Robert E Prouty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:41
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/02; H01H73/00; H01H73/22; H01H73/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE22973E
Cited
US1859985A
Cited
US2145950A
Cited
US2213890A
Cited
US2339087A
Cited
GB536701A
Cited
US2313597A
Cited
US2410055A
Cited
US2388951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |