US2786908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical distribution system
Assignee: ELECTRIC DISTRIB PRODUCTS Inc
•
Filing: 1954-11-03
•
Granted: 1957-03-26
•
Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Constantine
- 👤 Elmer T Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:52
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02G5/08; H01; H01H; H01H9/00; H01H9/20; H01H9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1807526A
Cited
US1946504A
Cited
US2111421A
Cited
US2143697A
Cited
US2536522A
Cited
US2555331A
Cited
US2659843A
Cited
US2669624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |