Patent USRE28035E successfully refreshed from Google Patents.
USRE28035E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hold-down means for underploor access housing
Assignee: —
•
Filing: 1973-06-22
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Granted: 1974-06-04
•
Expires: 1993-06-22
Abstract
Abstract AN UNDERFLOOR ACCESS HOUSING ADAPTED FOR USE WITH ELECTRICAL RACEWAY UNITS OF THE TYPE NORMALLY PLACED IN BUILDING FLOORS. THE ACCESS HOUSING SPANS THE DISTANCE BETWEEN ADJACENT CELLS AND OVERLIES THE CRESTS THEREOF. SEPARATE HOLD-DOWN MEANS ARE PROVIDED FOR QUICLKY CONNECTING THE ACCESS HOUSING TO THE RACEWAY UNIT.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:11
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/28; H02G3/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |