US3239196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handrail structure
Assignee: Blumcraft of Pittsburgh LP
•
Filing: 1963-12-13
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Granted: 1966-03-08
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Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
- 👤 Blum Louis
- 👤 Jr William J Horgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:10
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; F; F16; F16B; F16B7/00; F16B7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A HANDRAIL STRUCTURE COMPRISING: A HANDRAIL POST; A PAIR OF RAILING MEMBERS CARRIED BY SAID POST, SAID RAILING MEMBERS CARRIED BY SAID POST, SAID THE UNDERSIDE THEREOF; A RAILING CONNECTOR CONNECTING SAID RAILING MEMBERS TOGETHER AND FORMING A CONTINUOUS RAILING ON SAID POST, SAID CONNECTOR COMPRISING: A CENTRAL SECTION HAVING THE SAME SHAPE AS SAID RAILING MEMBERS WITH A VERTICAL OPENING THERETHROUGH OF THE SAME SHAPE AS SAID POST AND HAVING A SCREW-RECEIVING OPENING THEREIN EXTENDING LONGITUDINALLY FROM ONE SIDE THEREOF INTO SAID VERTICAL OPENING, A PAIR OF TONGUES EXTENDING LONTUDINALLY FROM OPPOSITE ENDS OF THE CENTRAL SECTION, FITTED WITHIN THE LONGITUDINAL RECESS OF EACH OF THE RAILING MEMBERS RESPECTIVELY AND FORMING THE UNDERSIDE THEREOF, SAID SCREW-RECEIVING OPENING ENTERING SAID CENTRAL SECTION AT A POINT ABOVE AT LEAST ONE OF SAID TONGUES, AND A SCREW IN THE SCREW-RECEIVING OPENING IN THE CENTRAL SECTION CONNECTING IT TO THE POST; AND SCREW MEANS PASSING THROUGH EACH OF SAID TONGUES AND INTO THE UNDERSIDE OF SAID RAILING MEMBERS, RIGIDLY FIXING THE RAILING MEMBERS TO THE CONNECTOR SO THAT THE SCREW-RECEIVING OPENING IN THE CENTRAL SECTION OF THE CONNECTOR AND THE SCREW THEREIN ARE COVERED BY THE ENDS OF THE RAILING MEMBERS ADJACENT THERETO.
Claim 2
Dependent Claim
200 words
A HANDRAIL STRUCTURE COMPRISING: A HANDRAIL POST; A PAIR OF RAILING MEMBERS CARRIED BY SAID POST, SAID RAILING MEMBERS CARRIED BY SAID POST, SAID THE UNDERSIDE THEREOF; A RAILING CONNECTOR CONNECTING SAID RAILING MEMBERS TOGETHER AND FORMING A CONTINUOUS RAILING ON SAID POST, SAID CONNECTOR COMPRISING: A CENTRAL SECTION HAVING THE SAME SHAPE AS SAID RAILING MEMBERS WITH A VERTICAL OPENING THERETHROUGH OF THE SAME SHAPE AS SAID POST AND HAVING A SCREW-RECEIVING OPENING THEREIN EXTENDING LONGITUDINALLY FROM ONE SIDE THEREOF INTO SAID VERTICAL OPENING, A PAIR OF TONGUES EXTENDING LONTUDINALLY FROM OPPOSITE ENDS OF THE CENTRAL SECTION, FITTED WITHIN THE LONGITUDINAL RECESS OF EACH OF THE RAILING MEMBERS RESPECTIVELY AND FORMING THE UNDERSIDE THEREOF, SAID SCREW-RECEIVING OPENING ENTERING SAID CENTRAL SECTION AT A POINT ABOVE AT LEAST ONE OF SAID TONGUES, AND A SCREW IN THE SCREW-RECEIVING OPENING IN THE CENTRAL SECTION CONNECTING IT TO THE POST; AND SCREW MEANS PASSING THROUGH EACH OF SAID TONGUES AND INTO THE UNDERSIDE OF SAID RAILING MEMBERS, RIGIDLY FIXING THE RAILING MEMBERS TO THE CONNECTOR SO THAT THE SCREW-RECEIVING OPENING IN THE CENTRAL SECTION OF THE CONNECTOR AND THE SCREW THEREIN ARE COVERED BY THE ENDS OF THE RAILING MEMBERS ADJACENT THERETO.
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |