US2847497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switchgear mounting
Assignee: Appleton Electric LLC
•
Filing: 1952-01-24
•
Granted: 1958-08-12
•
Expires: 1972-01-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur I Appleton
- 👤 Nils A Tornblom
- 👤 Carl H Lindell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:11
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1311376A
Cited
US1224880A
Cited
US1330301A
Cited
GB276117A
Cited
US2209213A
Cited
US2284613A
Cited
US2402840A
Cited
US2428110A
Cited
US2547083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |