US2976374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension cord reel
Assignee: Individual
•
Filing: 1958-02-17
•
Granted: 1961-03-21
•
Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Poulsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:51
CPC Classifications
H; H02; H02G; H02G11/00; H02G11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732531A
Cited
FR606035A
Cited
GB290446A
Cited
US1827488A
Cited
US1882385A
Cited
US1978644A
Cited
US2585070A
Cited
US2769154A
Cited
US2720365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |