US3316724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete pile joint and method of assembly
Assignee: Individual
•
Filing: 1964-01-13
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Granted: 1967-05-02
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Expires: 1984-01-13
Abstract
No abstract record available.
Inventors
- 👤 Tsuzuki Yoshiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:34
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/52; E02D5/523
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A CONNECTING APPARATUS FOR SOLID CROSS SHAPE CONCRETE PILE, WHICH INCLUDES IRON CROSS SHAPE JOINT FITTINGS FOR AN UPPER SOLID CROSS SHAPE CONCRETE PILE AND IRON CROSS SHAPE JOINT FITTINGS FOR A LOWER SOLID CROSS SHAPE CONCRETE PILE, SAID JOINT FITTINGS BEING DIMENSIONED SUCH THAT THE FORMER JOINT FITTINGS MAY CLOSELY BE FITTED INTO THE LATTER JOINT FITTINGS, THE CROSS SHAPE JOINT FITTINGS FOR THE UPPER PILE AND THE CROSS SHAPE JOINT FITTINGS FOR THE LOWER PILE BEING RESPECTIVELY USED FOR THE BOTTOM END OF THE UPPER PILE AND THE HEAD OF THE LOWER PILE; AT LEAST ONE SET OF CROSSED REINFORCING BARS HAVING FREE BENT ENDS ARE POSITIONED INSIDE OF THE SAID JOINT FITTINGS, EACH FREE BENT END OF THE SAID REINFORCING BARS BEING RESPECTIVELY WELDED TO THE CORRESPONDING INSIDE FACE OF THE JOINT FITTINGS; AND CONNECTING REINFORCING BARS, WHICH ARE AT THEIR
Claim 2
Dependent Claim
144 words
A CONNECTING APPARATUS FOR SOLID CROSS SHAPE CONCRETE PILE, WHICH INCLUDES IRON CROSS SHAPE JOINT FITTINGS FOR AN UPPER SOLID CROSS SHAPE CONCRETE PILE AND IRON CROSS SHAPE JOINT FITTINGS FOR A LOWER SOLID CROSS SHAPE CONCRETE PILE, SAID JOINT FITTINGS BEING DIMENSIONED SUCH THAT THE FORMER JOINT FITTINGS MAY CLOSELY BE FITTED INTO THE LATTER JOINT FITTINGS, THE CROSS SHAPE JOINT FITTINGS FOR THE UPPER PILE AND THE CROSS SHAPE JOINT FITTINGS FOR THE LOWER PILE BEING RESPECTIVELY USED FOR THE BOTTOM END OF THE UPPER PILE AND THE HEAD OF THE LOWER PILE; AT LEAST ONE SET OF CROSSED REINFORCING BARS HAVING FREE BENT ENDS ARE POSITIONED INSIDE OF THE SAID JOINT FITTINGS, EACH FREE BENT END OF THE SAID REINFORCING BARS BEING RESPECTIVELY WELDED TO THE CORRESPONDING INSIDE FACE OF THE JOINT FITTINGS; AND CONNECTING REINFORCING BARS, WHICH ARE AT THEIR
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |