Patent US3499570A successfully refreshed from Google Patents.
US3499570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover assembly for a junction box of an underfloor electrical wiring system
Assignee: Schneider Electric USA Inc
•
Filing: 1968-07-01
•
Granted: 1970-03-10
•
Expires: 1988-07-01
Abstract
No abstract record available.
Inventors
- 👤 De Forrest D Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:32
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/18; H02G3/185
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3070252A
Cited
US3029964A
Cited
US3187922A
Cited
US3204378A
Cited
US3405834A
Cited
US3414154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |