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US3245189A Expired / Lapsed US ⏱️ 0.0 years remaining

Reinforced vertical concrete structures

Assignee: Gateway Erectors Inc
•
Filing: 1962-07-10
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Granted: 1966-04-12
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Expires: 1982-07-10
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Abstract

No abstract record available.

Inventors

  • 👤 Frank D Reiland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 08:21
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/16; E04C5/162; E04C5/163; E04C5/165; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5761; Y10T403/5786

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 138 words
A REINFORCED VERTICAL CONCRETE STRUCTURE COMPRISING AT LEAST ONE PAIR OF REINFORCEMENT BARS OF DIFFERENT DIAMETER CLASSIFICATIONS EMBEDDED THEREIN TO EXTEND LENGTHWISE THEREOF AND ARRANGED IN END-TO-END AXIAL ALIGNMENT, AND A SLEEVE CLAMP FOR SPLICING THE BARS TOGETHER COMPRISING A CIRCUMFERENTIALLY FLEXIBLE REDUCER SLEEVE EMBRACING THE BUTTED END OF THE BAR OF SMALLER DIAMETER AND A PAIR OF WEDGE MEMBERS WHICH TOGETHER EMBRACE THE ADJACENT END PORTIONS OF SAID BARS AND THE SAID REDUCER SLEEVE; THE SAID WEDGE MEMBERS BEING FORMED ALONG THEIR OPPOSITE LONGITUDINAL EDGES WITH INTERLOCKING FLANGES HAVING CO-ENGAGING WEDGING SURFACES EXTENDING LENGTHWISE OF THE WEDGE MEMBERS AND ADAPTED UPON RELATIVE MOVEMENT OF THE WEDGE MEMBERS IN ONE DIRECTION TO EXERT CIRCUMFERENTIAL CONSTRICTIVE CLAMPING PRESSURE DIRECTLY ON THE PERIMETER OF THE BAR OF LARGER DIAMETER AND ON THE BAR OF SMALLER DIAMETER THROUGH SAID REDUCER SLEEVE.
Claim 2
Dependent Claim 138 words
A REINFORCED VERTICAL CONCRETE STRUCTURE COMPRISING AT LEAST ONE PAIR OF REINFORCEMENT BARS OF DIFFERENT DIAMETER CLASSIFICATIONS EMBEDDED THEREIN TO EXTEND LENGTHWISE THEREOF AND ARRANGED IN END-TO-END AXIAL ALIGNMENT, AND A SLEEVE CLAMP FOR SPLICING THE BARS TOGETHER COMPRISING A CIRCUMFERENTIALLY FLEXIBLE REDUCER SLEEVE EMBRACING THE BUTTED END OF THE BAR OF SMALLER DIAMETER AND A PAIR OF WEDGE MEMBERS WHICH TOGETHER EMBRACE THE ADJACENT END PORTIONS OF SAID BARS AND THE SAID REDUCER SLEEVE; THE SAID WEDGE MEMBERS BEING FORMED ALONG THEIR OPPOSITE LONGITUDINAL EDGES WITH INTERLOCKING FLANGES HAVING CO-ENGAGING WEDGING SURFACES EXTENDING LENGTHWISE OF THE WEDGE MEMBERS AND ADAPTED UPON RELATIVE MOVEMENT OF THE WEDGE MEMBERS IN ONE DIRECTION TO EXERT CIRCUMFERENTIAL CONSTRICTIVE CLAMPING PRESSURE DIRECTLY ON THE PERIMETER OF THE BAR OF LARGER DIAMETER AND ON THE BAR OF SMALLER DIAMETER THROUGH SAID REDUCER SLEEVE.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-11 1969-10-11 1970-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-11 1973-10-11 1974-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-11 1977-10-11 1978-04-12 $7700.00 Window Closed / Lapsed

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