US3405834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible junction box for underfloor wiring duct
Assignee: Schneider Electric USA Inc
•
Filing: 1967-05-15
•
Granted: 1968-10-15
•
Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
- 👤 De Forest D Butler
- 👤 Robert C Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:32
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3104774A
Cited
US1533759A
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GB814835A
Cited
US3061663A
Cited
US3070252A
Cited
US3029964A
Cited
US3081896A
Cited
US3338450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |