Patent US3061663A successfully refreshed from Google Patents.
US3061663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Under-floor duct system for electrical wiring
Assignee: Schneider Electric USA Inc
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Filing: 1959-03-30
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Granted: 1962-10-30
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Expires: 1979-03-30
Abstract
No abstract record available.
Inventors
- 👤 Frank D Reiland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:30
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/28; H02G3/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US733568A
Cited
US1675219A
Cited
US1536748A
Cited
US1691072A
Cited
US1592548A
Cited
US1626570A
Cited
US1908067A
Cited
US1782779A
Cited
US1924305A
Cited
US2063569A
Cited
US2126014A
Cited
GB565995A
Cited
US2611500A
Cited
US2741117A
Cited
GB748277A
Cited
GB755437A
Cited
US2929529A
Cited
US2847140A
Cited
US2886630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |