US3482030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underground electrical conductor housing with inner bell-jar housing
Assignee: Pepco Products Corp
•
Filing: 1968-09-30
•
Granted: 1969-12-02
•
Expires: 1988-09-30
Abstract
No abstract record available.
Inventors
- 👤 Walter S Wisniewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:15
CPC Classifications
H; H02; H02G; H02G9/00; H02G9/10; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6991; Y10T137/6995; Y10T137/7021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB736813A
Cited
US3364299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |