Patent US3813071A successfully refreshed from Google Patents.
US3813071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener assembly for handrails
Assignee: Individual
•
Filing: 1972-04-12
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Granted: 1974-05-28
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Expires: 1992-04-12
Abstract
Abstract A handrail in the form of a tube longitudinally slotted at its bottom and supported by a fastener assembly having a first vertical solid leg and a second vertical hollow leg interconnected by a horizontal base web. The first leg is adapted to be mounted at a wall surface and the second leg has an outer wall with a cross-section which conforms with the inner wall of the tubular handrail and is snugly surrounded thereby. The internal cavity of the second leg forms an upper compartment housing electrical wiring and connection means, and a lower compartment serving as a fitting for electrical illumination means emitting light through the slot in the bottom of the tubular handrail.
Inventors
- 👤 N Noryd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:52
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/1802; E04F11/1804; E04F11/1808; E04F2011/1868; E04F2011/1872
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
In a railing structure, the combination comprising a handrail in the form of a tube longitudinally slotted at its bottom and supported by a fastener assembly having a first vertical solid leg and a second vertical hollow leg, said legs being integral and interconnected by a horizontal base web, said first leg being adapted to be mounted at a wall surface, said second leg having the cross-section of its outer wall conforming with the inner wall of said tubular handrail and snugly surrounded thereby, the internal cavity of the second leg comprising an upper compartment housing electrical wiring and connection means, and a lower compartment serving as a fitting for electrical illumination means emitting light through said slot in the bottom of the tubular handrail.
Claim 2
Dependent Claim
125 words
In a railing structure, the combination comprising a handrail in the form of a tube longitudinally slotted at its bottom and supported by a fastener assembly having a first vertical solid leg and a second vertical hollow leg, said legs being integral and interconnected by a horizontal base web, said first leg being adapted to be mounted at a wall surface, said second leg having the cross-section of its outer wall conforming with the inner wall of said tubular handrail and snugly surrounded thereby, the internal cavity of the second leg comprising an upper compartment housing electrical wiring and connection means, and a lower compartment serving as a fitting for electrical illumination means emitting light through said slot in the bottom of the tubular handrail.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |