US2686216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Service entrance fitting
Assignee: Appleton Electric LLC
•
Filing: 1950-11-24
•
Granted: 1954-08-10
•
Expires: 1970-11-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur I Appleton
- 👤 Nils A Tornblom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:31
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/22; Y; Y10; Y10T; Y10T24/00; Y10T24/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1571221A
Cited
US1484001A
Cited
US1888645A
Cited
US1847689A
Cited
US2000374A
Cited
US2065297A
Cited
US2148059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |