US3233377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ornamental railing mountings
Assignee: Blumcraft of Pittsburgh LP
•
Filing: 1963-05-09
•
Granted: 1966-02-08
•
Expires: 1983-05-09
Abstract
No abstract record available.
Inventors
- 👤 Blum Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:29
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN ANCHORING APPARATUS FOR ADJUSTABLY SUPPORTING A RAILING ASSEMBLY UPON AN OPEN-ENDED MASONRY STAIR TREAD THE COMBINATION COMPRISING ANCHOR MEANS ADAPTED FOR FIXED IMBEDMENT IN A MASONRY STAIR TREAD, SAID ANCHOR MEANS HAVING AN ELONGATED PORTION THEREOF ADAPTED TO EXTEND WITHOUT SAID TREAD AT SUBSTANTIALLY RIGHT ANGLES WITH THE PLANE OF THE TREAD; AN ELONGATED SPACING MEMBER COMPLEMENTALLY CONFIGURED WITH THE EXPOSED PORTION OF SAID ANCHOR MEANS FOR ABUTMENT THEREWITH, SAID SPACING MEMBER AND ANCHOR MEANS BEING DETACHABLY JOINED TOGETHER SO AS TO PREVENT RELATIVE MOVEMENT THEREBETWEEN; A PAIR OF ALIGNED RECESSED FORMED IN THE ELONGATED PORTION OF SAID ANCHOR MEANS; A PAIR OF ALIGNED SLOT-SHAPED BORES FORMED IN AND EXTENDING THROUGH SAID SPACING MEMBER AND CORRESPONDINGLY ALIGNED WITH SAID ALIGNED RECESSES, THREADED NUT MEANS DISPOSED IN LOOSE
Claim 2
Dependent Claim
128 words
IN ANCHORING APPARATUS FOR ADJUSTABLY SUPPORTING A RAILING ASSEMBLY UPON AN OPEN-ENDED MASONRY STAIR TREAD THE COMBINATION COMPRISING ANCHOR MEANS ADAPTED FOR FIXED IMBEDMENT IN A MASONRY STAIR TREAD, SAID ANCHOR MEANS HAVING AN ELONGATED PORTION THEREOF ADAPTED TO EXTEND WITHOUT SAID TREAD AT SUBSTANTIALLY RIGHT ANGLES WITH THE PLANE OF THE TREAD; AN ELONGATED SPACING MEMBER COMPLEMENTALLY CONFIGURED WITH THE EXPOSED PORTION OF SAID ANCHOR MEANS FOR ABUTMENT THEREWITH, SAID SPACING MEMBER AND ANCHOR MEANS BEING DETACHABLY JOINED TOGETHER SO AS TO PREVENT RELATIVE MOVEMENT THEREBETWEEN; A PAIR OF ALIGNED RECESSED FORMED IN THE ELONGATED PORTION OF SAID ANCHOR MEANS; A PAIR OF ALIGNED SLOT-SHAPED BORES FORMED IN AND EXTENDING THROUGH SAID SPACING MEMBER AND CORRESPONDINGLY ALIGNED WITH SAID ALIGNED RECESSES, THREADED NUT MEANS DISPOSED IN LOOSE
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |