US3003083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical distribution system
Assignee: ROWAN CONTROLLER Co Inc
•
Filing: 1957-07-01
•
Granted: 1961-10-03
•
Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Weldon C Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:08
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1920683A
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US1857711A
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US2223300A
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US2209560A
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US2363364A
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GB553607A
Cited
US2394060A
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GB584414A
Cited
US2787744A
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US2786908A
Cited
US2824939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |