US3131512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underfloor blind electrical terminal box
Assignee: Hospitality Homes
•
Filing: 1962-03-21
•
Granted: 1964-05-05
•
Expires: 1982-03-21
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Macleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:29
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/18; H02G3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN COMBINATION WITH AN ELECTRICAL TRENCH COMPRISING A CONTINUOUS BASE ELEMENT HAVING A GENERALLY U-SHAPED CROSS-SECTION INCLUDING A FLAT BOTTOM AND GENERALLY VERTICAL SIDE WALLS, A PAIR OF SCREED BARS SECURED TO THE UPPER ENDS OF SAID VERTICAL SIDE WALLS, A PLURALITY OF TRENCH COVERPLATES SECURED IN ABUTMENT ALONG THEIR SIDES TO THE SAID SCREED BARS, AN IMPROVED BLIND JUNCTION BOX COMPRISING: A BOX-LIKE HOUSING DISPOSED LATERALLY OF SAID TRENCH IN ABUTMENT WITH ONE OF SAID SIDE WALLS, SAID ONE OF SAID SIDE WALLS BEING CUT AWAY ALONG A LENGTH CORRESPONDING TO THE LENGTH OF SAID BOX-LIKE HOUSING TO PROVIDE A COMMUNICATING PASSAGEWAY BETWEEN THE INTERIOR OF SAID TRENCH AND THE INTERIOR OF SAID HOUSING. SAID BOX-LIKE HOUSING HAVING A FLAT BOTTOM AND A FIRST VERTICAL SIDE WALL PARALLEL TO THE SAID TRENCH AND SECOND VERTICAL SIDE WALLS JOINING THE ENDS OF SAID FIRST VERTICAL SIDE WALL WITH SAID ONE OF SAID SIDE WALLS OF SAID TRENCH, A BOX COVERPLATE FOR SAID BOX-LIKE HOUSING, BOX SCREED BARS SECURED TO THE UPPER ENDS OF SAID FIRST AND SECOND VERTICAL SIDE WALLS, FASTENING MEANS FOR SECURING SAID BOX COVERPLATE TO THE SAID BOX SCREED BARS,
Claim 2
Dependent Claim
193 words
IN COMBINATION WITH AN ELECTRICAL TRENCH COMPRISING A CONTINUOUS BASE ELEMENT HAVING A GENERALLY U-SHAPED CROSS-SECTION INCLUDING A FLAT BOTTOM AND GENERALLY VERTICAL SIDE WALLS, A PAIR OF SCREED BARS SECURED TO THE UPPER ENDS OF SAID VERTICAL SIDE WALLS, A PLURALITY OF TRENCH COVERPLATES SECURED IN ABUTMENT ALONG THEIR SIDES TO THE SAID SCREED BARS, AN IMPROVED BLIND JUNCTION BOX COMPRISING: A BOX-LIKE HOUSING DISPOSED LATERALLY OF SAID TRENCH IN ABUTMENT WITH ONE OF SAID SIDE WALLS, SAID ONE OF SAID SIDE WALLS BEING CUT AWAY ALONG A LENGTH CORRESPONDING TO THE LENGTH OF SAID BOX-LIKE HOUSING TO PROVIDE A COMMUNICATING PASSAGEWAY BETWEEN THE INTERIOR OF SAID TRENCH AND THE INTERIOR OF SAID HOUSING. SAID BOX-LIKE HOUSING HAVING A FLAT BOTTOM AND A FIRST VERTICAL SIDE WALL PARALLEL TO THE SAID TRENCH AND SECOND VERTICAL SIDE WALLS JOINING THE ENDS OF SAID FIRST VERTICAL SIDE WALL WITH SAID ONE OF SAID SIDE WALLS OF SAID TRENCH, A BOX COVERPLATE FOR SAID BOX-LIKE HOUSING, BOX SCREED BARS SECURED TO THE UPPER ENDS OF SAID FIRST AND SECOND VERTICAL SIDE WALLS, FASTENING MEANS FOR SECURING SAID BOX COVERPLATE TO THE SAID BOX SCREED BARS,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |