US3379414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handrail assembly
Assignee: Julius Blum and Co Inc
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Filing: 1966-09-02
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Granted: 1968-04-23
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Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 Thurnauer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:23
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1836; E04F11/1838; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7194
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
A HANDRAIL ASSEMBLY FOR MOUNTING AN ELONGATED HANDRAIL OR THE LIKE TO A SUPPORT, SAID HANDRAIL COMPRISING A TRACK PORTION HAVING INNER AND OUTER, LONGITUDINALLY EXTENDED, SPACED APART INNER AND OUTER SUPPORT SHOULDERS, A STRUT HAVING AN END FIXED TO SAID SUPPORT AND A FREE END IN SPACED RELATION TO SAID TRACK PORTION, SAID FREE END OF SAID STRUT INCLUDING INNER AND OUTER OPPOSED SHOULDER PORTIONS CONNECTED BY A REDUCED NECK, A CLAMP MEMBER CLAMPINGLY CONNECTING SAID TRACK PORTION AND STRUT, SAID CLAMP MEMBER INCLUDING FIRST AND SECOND CLAMP PORTIONS SLIDABLY INTERFITTING WITH EACH OTHER AND SURROUNDING SAID NECK BY MOVEMENT OF SAID CLAMP PORTIONS LONGITUDINALLY OF SAID TRACK TOWARD SAID NECK, EACH OF SAID CLAMP PORTIONS INCLUDING AN UPPER AND A LOWER CLAMP FACE, THE UPPER CLAMP FACES OF SAID FIRST AND SECOND CLAMP PORTIONS ENGAGING AN INNER AND AN OUTER SUPPORT SHOULDER OF SAID RAIL, RESPECTIVELY, AND THE LOWER CLAMP FACES OF SAID FIRST AND SECOND CLAMP PORTIONS ENGAGING AN OUTER AND AN INNER SHOULDER PORTION OF SAID STRUT, RESPECTIVELY, AND FASTENER MEANS CONNECTING SAID CLAMP PORTIONS FOR MOVING SAID UPPER CLAMP FACES TOWARD EACH OTHER IN A DIRECTION AT RIGHT ANGLES TO THE LONGITUDINAL AXIS OF SAID TRACK PORTION, THEREBY TO URGE SAID UPPER CLAMP FACES INWARDLY TOWARD SAID SUPPORT SHOULDERS, AND SAID LOWER CLAMP FACES OUTWARDLY AGAINST SAID OPPOSED STRUT SHOULDERS.
Claim 2
Dependent Claim
225 words
A HANDRAIL ASSEMBLY FOR MOUNTING AN ELONGATED HANDRAIL OR THE LIKE TO A SUPPORT, SAID HANDRAIL COMPRISING A TRACK PORTION HAVING INNER AND OUTER, LONGITUDINALLY EXTENDED, SPACED APART INNER AND OUTER SUPPORT SHOULDERS, A STRUT HAVING AN END FIXED TO SAID SUPPORT AND A FREE END IN SPACED RELATION TO SAID TRACK PORTION, SAID FREE END OF SAID STRUT INCLUDING INNER AND OUTER OPPOSED SHOULDER PORTIONS CONNECTED BY A REDUCED NECK, A CLAMP MEMBER CLAMPINGLY CONNECTING SAID TRACK PORTION AND STRUT, SAID CLAMP MEMBER INCLUDING FIRST AND SECOND CLAMP PORTIONS SLIDABLY INTERFITTING WITH EACH OTHER AND SURROUNDING SAID NECK BY MOVEMENT OF SAID CLAMP PORTIONS LONGITUDINALLY OF SAID TRACK TOWARD SAID NECK, EACH OF SAID CLAMP PORTIONS INCLUDING AN UPPER AND A LOWER CLAMP FACE, THE UPPER CLAMP FACES OF SAID FIRST AND SECOND CLAMP PORTIONS ENGAGING AN INNER AND AN OUTER SUPPORT SHOULDER OF SAID RAIL, RESPECTIVELY, AND THE LOWER CLAMP FACES OF SAID FIRST AND SECOND CLAMP PORTIONS ENGAGING AN OUTER AND AN INNER SHOULDER PORTION OF SAID STRUT, RESPECTIVELY, AND FASTENER MEANS CONNECTING SAID CLAMP PORTIONS FOR MOVING SAID UPPER CLAMP FACES TOWARD EACH OTHER IN A DIRECTION AT RIGHT ANGLES TO THE LONGITUDINAL AXIS OF SAID TRACK PORTION, THEREBY TO URGE SAID UPPER CLAMP FACES INWARDLY TOWARD SAID SUPPORT SHOULDERS, AND SAID LOWER CLAMP FACES OUTWARDLY AGAINST SAID OPPOSED STRUT SHOULDERS.
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |