Patent US336202A successfully refreshed from Google Patents.
Patent US183618A successfully refreshed from Google Patents.
US2993084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Service entrance head
Assignee: ABB Installation Products Inc
•
Filing: 1958-06-05
•
Granted: 1961-07-18
•
Expires: 1978-06-05
Abstract
No abstract record available.
Inventors
- 👤 Lawrence M Curtiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:19
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |